Astronomy/Questions Answered by Expert Tom Whiting

SubjectDate Asked
Unable to see through telescope1/6/2012
  Q: I received a used Celestron 114 mm Newtonian 910 mm telescope for christmas. It came with a Bartow ...
  A: That's why we always recommend for novices to wait a while before a telescope purchase, and never ...
buying my first telescope1/2/2012
  Q: I read your answer to a question about "celetron powerseeker 76 reflector".I was lucky,I read it ...
  A: I would make my next purchase a solid tripod for your fine 20 x 50 binoculars and use those on the ...
RA DE1/2/2012
  Q: Hi i have a EQ mount for my Celestron 114 Astromaster telescope and i have heard about the RA an DE ...
  A: Sorry, but I (and most other amateurs) star hop to objects rather than using celestial coordinates. ...
relative movement1/1/2012
  Q: I have a general question Sir, I've read that our Solar system is headed towards the Leo ...
  A: You jumped one phase too many, of our true motion... by too much "skip" reading. First, the Solar ...
Using coordinates12/31/2011
  Q: Ok, i just got a telescope for Christmas and im really into it but i am clueless on how to find ...
  A: That's exactly why, in our great hobby, equipment (scope) comes LAST, not first. Knowledge comes ...
Celestial coordinates12/30/2011
  Q: Whiting: Regarding the celestial coordinate system is it correct to say that the declination always ...
  A: Yes, the (North-South) declination value will remain nearly constant (see below) AS LONG AS you only ...
stars in the sky12/22/2011
  Q: My daughter and I were outside looking at stars, and we noticed a very sparkly star. Red and bluish, ...
  A: First, Orion is NEVER in our Northwestern sky. The constellation of Orion currently rises around 6 ...
Star clusters12/13/2011
  Q: I was wondering specifically about the coma cluster if you had any knowledge on that in particular ...
  A: just from what I read on the internet, like http://en.wikipedia.org/wiki/Coma_Cluster (The galaxy ...
bright star in same place12/9/2011
  Q: every clear night in the same place all year around there is a very bright star. it is in the ...
  A: Oh Cheryl, Just a word on astrology versus astronomy... ask the kid to get you an ASTRONOMY book ...
bright star in same place12/8/2011
  Q: every clear night in the same place all year around there is a very bright star. it is in the ...
  A: NOT TRUE that planets can only be seen AT dusk or dawn... planets (and stars too) can be seen FROM ...
bright star in same place12/7/2011
  Q: every clear night in the same place all year around there is a very bright star. it is in the ...
  A: Since the Earth revolves around the sun, it is impossible for the same object to remain in the same ...
New planet discovered12/7/2011
  Q: A new Earth-like planet has been discovered, c.600 light years away. Based on the information in ...
  A: Yes, I've seen basically the same information you have, but off the Kepler spacecraft website. Other ...
bermuda triangle11/21/2011
  Q: sir i am suraj from india i want to ask u that what is the main history or hidden story behind ...
  A: You've been watching too much of that science fiction on TV (or reading too much metaphysics reports ...
Apparent size of Jupiter11/19/2011
  Q: I have what I think is possibly a fairly simple question to answer but the thought of what the ...
  A: Since Io orbits Jupiter at about the same distance as our own moon, we can proportion it from the ...
Things to do on a budget.....11/12/2011
  Q: Several of my friends and I have a lot of interest in astronomy and wish to get into backyard ...
  A: Not much in this the 21st Century. Even strictly visual observations are down to about 2 items ...
brown clouds11/7/2011
  Q: On my google sky map I notice brown clouds extending from the north pole, down past the moon and to ...
  A: You're welcome. Tough to see those northern lights, even from Michigan, with a near full moon. I'll ...
brown clouds11/4/2011
  Q: On my google sky map I notice brown clouds extending from the north pole, down past the moon and to ...
  A: Probably, but on most charts the Milky Way swath is colored dark blue. The 1st quarter moon tonight ...
Binary system11/2/2011
  Q: Was our Sun ever part of a binary system and are binary systems the norm or the exception ?. Thanks.
  A: It's thought that about half (50%) of all stars are part of a binary, or multiple system. Whether ...
dark matter10/12/2011
  Q: maybe this is more of a Physics Q, but I've liked your answers before so I'd like to give you a try! ...
  A: Even if you allow for unknown "free-floating" black holes, and unknown very massive black holes, ...
Astronomy beginner9/26/2011
  Q: My love for physics and astronomy is of cosmical scale! I am an absolute beginner and recently got a ...
  A: Congratulations on finding M-31, and yes, we can only see the primary galaxy naked eye. The other ...
Astronomy beginner9/22/2011
  Q: My love for physics and astronomy is of cosmical scale! I am an absolute beginner and recently got a ...
  A: In our great hobby, typically equipment (scopes) come last, not first. Knowledge of astronomy comes ...
Planetary Defense Iniatives9/7/2011
  Q: I've been researching different security implications for a planetary defense response program if we ...
  A: Do you mean "fantastically" or... fanatical? i think we, the USA, are doing enough on this subject. ...
Planetary Defense Iniatives9/6/2011
  Q: I've been researching different security implications for a planetary defense response program if we ...
  A: We already have a space telescope up there looking for any NEO's; WISE (widefield Infrared Survey ...
red lights8/12/2011
  Q: Last Saturday my family saw what looked like a red flare rising from the East in went up to 40 ...
  A: I have no idea... but I (like you) already know that it is something (someone) man-made, because I ...
The creation of the Universe7/31/2011
  Q: During hundreds of years scientists have been concerned about “how” the Universe was created. ...
  A: The "where" is easy... namely, everywhere, as far as our visible Universe is concerned. You and I ...
General question7/23/2011
  Q: I am very interested in astronomy, but awful at math. How can you get involved with astronomy beyond ...
  A: I am almost exactly the same... so do what I did; forget the professional field and become an ...
camera to Telescope setting7/9/2011
  Q: I have a bracket to attach it to a 8" telescope. Could you help me with the setting or any hardware, ...
  A: Sorry, I don't do pictures... I am strictly eyeball to the eyepiece with strictly a manual non-goto ...
Telescope7/5/2011
  Q: Sir, I just want to ask that how come the telescope in space like Hubble can magnify and clarify ...
  A: Yes, it's an angular measurement (which in turn defines resolution) so we don't have to worry about ...
Telescope7/4/2011
  Q: Sir, I just want to ask that how come the telescope in space like Hubble can magnify and clarify ...
  A: Since our atmosphere limits Earth-based telescopes to about 1 arc-second resolution, or on a very ...
Can an ordinary person determine the day of the vernal equinox for themselves by simple means?6/26/2011
  Q: A follow-up question... >> Yeah, that sounds good to me, except I prefer the "due West setting" >> ...
  A: Yea, that involves some complicated spherical trigonometry... which is way beyond my knowledge of ...
Can an ordinary person determine the day of the vernal equinox for themselves by simple means?6/26/2011
  Q: If someone were to ask me how to determine the day of the vernal equinox using simple means, how ...
  A: Yeah, that sounds good to me, except I prefer the "due West setting" or due East rising, so I don't ...
Red/White light6/17/2011
  Q: I am hoping you can help me figure out what I am seeing. I feel you are the best person to answer ...
  A: No, there is no UFO's here (or anywhere)... plus you re-identified it in nearly the same place in ...
telescopes6/7/2011
  Q: I have a 12inch telescope with a limited resolution of 1 arcsecond. How far can a planet be seen ...
  A: Sorry, but this is a homework math problem... how do I know? No one gives a planetary diameter in ...
shapes of stars and planets6/6/2011
  Q: . I have two questiohs 1- Is all the stars are spheric like our sun? if yes.. why they weren't ...
  A: I'm not sure what you mean by a "disc"... you mean that you think the sun is just 2 - dimensional ...
shapes of stars and planets6/4/2011
  Q: . I have two questiohs 1- Is all the stars are spheric like our sun? if yes.. why they weren't ...
  A: The sun is not perfectly spherical either... but differs by 0.001% or only about 10-20 miles between ...
Light6/2/2011
  Q: Sir, Can we re-create the magnetic field alone from a ray of light or an electro-magnetic wave?
  A: I think you mean to say, can we make a magnetic field from just a ray of light (which IS an ...
Astronomers5/22/2011
  Q: Good Morning, I know you said no astrology questions, but I feel you could help me with a question ...
  A: .. Yes, the believers in astrology in the astronomical community probably number far less than 1%; I ...
Choosing A Telescope5/18/2011
  Q: i want to buy a telescope to see the solar system's planets, bright stars, nearby galaxies and ...
  A: You could, but I don't know the size of glass up front on your spotting scope. The bigger the piece ...
Choosing A Telescope5/10/2011
  Q: i want to buy a telescope to see the solar system's planets, bright stars, nearby galaxies and ...
  A: Well, if you want a device that views all those things (constellations are too big an area to view ...
Galaxies5/9/2011
  Q: Q1: Has anyone been inside another galaxy in history? Q2: Would any other galaxies be like our Milky ...
  A: 1. NO. We haven't even been to the nearest star, Alpha Centauri, in our own Galaxy, at only 4.3 ...
Jason 3235/8/2011
  Q: Sir, I've just bought a Jason 323 w/out instructions. I can't seem to get the 'bore site' part ...
  A: Sorry, I'm not familiar with that type of scope. I don't even know what a bore site is. Why not ...
moon4/21/2011
  Q: can the moon cause the clouds to act differently, if they have high water compositions. ANSWER: Hi ...
  A: Well, fortunately our very thin atmosphere (and it IS very thin compared to Venus, Jupiter, Saturn, ...
moon4/20/2011
  Q: can the moon cause the clouds to act differently, if they have high water compositions. ANSWER: Hi ...
  A: Air is fully saturated when there is about 4% water vapor content, or completely saturated air for ...
moon4/20/2011
  Q: can the moon cause the clouds to act differently, if they have high water compositions.
  A: No. (All low clouds by definition, have high water composition because the air temperature is at the ...
Solar Flares and Red Rain4/19/2011
  Q: Hey Tom, Bit of an odd question this, but for the purpose of a screenplay I'm writing, I have a ...
  A: You get the answer you probably expected (and should have known)... '..uhhh....no'. And what you ...
Uranus and Venus4/16/2011
  Q: 1. Does the planet Uranus get hit by earthquakes? 2. What association do the Moon and Venus have in ...
  A: 1. No. The 4 gas giant planets Jupiter, Saturn, Uranus, and Neptune are, as the name implies, all ...
Strange asteroid orbit4/7/2011
  Q: This asteroid orbit makes absolutely no sense to me. How could it arise and exist in this way? It ...
  A: The horseshoe diagram is misleading as it keeps the Earth stationary... therefore the horseshoe ...
the Moon3/25/2011
  Q: What did we learn from samples of moon rocks that we did not hitherto know or suspect? Articles for ...
  A: The main perception from lunar samples was that the moon came from the Earth because the samples ...
The death of our universe3/25/2011
  Q: When is the earliest possible 'date' for the death of the universe? Will We be able to do ...
  A: Several caveats here... 1. Could you define Universes' "death" for me?; some feel that there is no ...
Why can we not imagine that?3/25/2011
  Q: The book "A brief history of nearly everything" by American author Bill Bryson discussed the fact ...
  A: Sure, there probably are... just like we drink the same water that the dinosaurs were drinking some ...
What is your counterargument?3/23/2011
  Q: The ice core drillings that should tell us what the temperature was many years ago are hypothetic ...
  A: Not true... while we cannot know the absolute dates, we DO know the relative dates are accurate, ...
gravity induced polarization3/17/2011
  Q: I have tried searching the web but cannot find a short explanation of this phenomenon. I think it is ...
  A: There is no question here, but doesn't matter as I have no idea what that is. That is far beyond my ...
What was before Big Bang?3/13/2011
  Q: Do we know that?
  A: To be perfectly honest, we don't know. (And since current 'time' didn't exist as yet, we may never ...
Does the world temperature rise?3/13/2011
  Q: Does the world temperature rise or fall at the moment?
  A: There is no 'at the moment' when it comes to average global temperature. There are so many factors; ...
angle of moon phases3/8/2011
  Q: Is it possible for a moon phase to be a perfect saucer with the points of the moon pointing straight ...
  A: You mean a crescent moon with the cusp points pointing straight up? Happens almost all the time ...
space3/6/2011
  Q: according to the special relativity theory of Einstein when a mass is moving away from gravitational ...
  A: Yes, special relativity (dealing with velocity and light speed) makes the clock run slower because ...
space3/5/2011
  Q: what is time dilation? please give me detailed information with relevant examples in a clear words
  A: Review Einsteins special relativity. Time dilation is simply the slower passage of time relative to ...
space3/5/2011
  Q: what is warm hole?please give detailed information about this with relevant examples
  A: A worm hole connects one location in space to another, more distant location. There are no examples ...
Thank you3/3/2011
  Q: Mr. Whiting ~ I just wanted to finally thank you for advising me on the Southern Cross observation. ...
  A: Your Welcome. Tell your friend that in Mid May from Miami and farther south, the Southern Cross ...
Moon Libration2/28/2011
  Q: I understand that Libration allows us to see a total of about 9% of the far side of the moon, but ...
  A: Yes, I also can find nothing on the longitudes or latitudes either, but I do know that we're only ...
Moon Illusions2/16/2011
  Q: Can you explain how, usually on a cooler(50s low 60s,)low humidity (less than 50%, low for here N. ...
  A: The eye responds to a movement or deflection of... a bright source, quicker than a dim source. I ...
Telescope eyepiece2/14/2011
  Q: i! I just pick up a older Celestron Newtonian 114 mm 910 mm Telescope . Could you recommend the best ...
  A: so in plain English terms, you have a 4.5 inch mirror with an f8 focal ratio (910 mm focal length ...
Do you think that it will hit us?2/1/2011
  Q: Asteroid Apophis is reported to has a chance of striking Earth on April 13, 2036. Do you think that ...
  A: Didn't I just state in a previous answer that is the next doomsday "event" after the Mayan calendar ...
Why do people believe in it?1/30/2011
  Q: Why do people believe in pseudoscience and global warming when there is no scientific evidence for ...
  A: Lack of a proper education for one. Most people like astronomy, but either don't want to spend the ...
Focus trouble w/filter selector1/23/2011
  Q: Tom, I'm a 4 year astronomy hobbyist & have a NP101 refractor. I've just added a Lumicon 1.25 ...
  A: Sorry but I have zero experience with refractor telescopes, never having owned one. Suggest you ask ...
Dark Matter As A Possible Misinterpretation of Data1/16/2011
  Q: I am only an armchair amateur physicist, but I have a nagging question that may have been answered ...
  A: Of course we're seeing the light of the past; that's all we can do. (Nature allows us no choice). If ...
PHYSICS1/13/2011
  Q: WHICH ARE THE THREE FUNDAMENTAL (MAIN) FORCES IN UNIVERSE, SCIENTISTS ARE TRYING TO EXPLAIN WITH A ...
  A: Sorry, but I am not a math major or physicist... just an amateur astronomer for over 50 years. But I ...
physics1/12/2011
  Q: Why do , at first place , a)things start orbiting around the earth (means under what ...
  A: Why (and Who?) are philosophical, or theological questions; Why is Saturn here? Why are we here? ...
3 dimensional model project1/10/2011
  Q: I am a fellow expert over in the animals section. I am a Biology teacher by trade and for some ...
  A: The Earth is smoother than a billiard ball by comparison. Those few miles of elevation (Everest or ...
3 dimensional model project1/7/2011
  Q: I am a fellow expert over in the animals section. I am a Biology teacher by trade and for some ...
  A: Unfortunately, your basic premise is corrupt... constellations, BY DEFINITION, are only ...
Rogue Black Holes1/5/2011
  Q: I was wondering(and this has nothing to do with any 2012 doomsday scenario :)), if a rogue black ...
  A: How fast do they move? Relative to what? I thought I made it clear that all places, times, events, ...
Rogue Black Holes1/5/2011
  Q: I was wondering(and this has nothing to do with any 2012 doomsday scenario :)), if a rogue black ...
  A: Part one - Depends entirely on the mass of the "rogue" black hole; 50 solar masses or 3 billion ...
Solar Storms and Sleep1/5/2011
  Q: Should I be losing sleep on the upcoming solar storms that are predicted to impact earth during the ...
  A: I try to intersperse some logic and common sense to all this high-science stuff. Science is nice ...
Solar Storms and Sleep1/5/2011
  Q: Should I be losing sleep on the upcoming solar storms that are predicted to impact earth during the ...
  A: Michio Kaku is a very nice man... he does a very good job both entertaining and educating the public ...
Solar Storms and Sleep1/4/2011
  Q: Should I be losing sleep on the upcoming solar storms that are predicted to impact earth during the ...
  A: No, and no. High sunspot cycles occur (peak) every 11 years on average (that can vary from 9-13 ...
space12/21/2010
  Q: what is a newmoon weekend
  A: Just what the name implies... Obviously, it's the weekend that the new moon falls on, or is closest ...
telescopes12/21/2010
  Q: Where can I go to buy a telescope in person I would like there web sites too if possible
  A: Generally, that's not a good idea. Telescopes... good telescopes that actually work... are best ...
spiral galaxies12/20/2010
  Q: what are some caracteristics of sprial galaxies with some explanation.
  A: Spiral galaxies are sort of pancake-shaped (due to rotation) similar to our own Solar system. Local ...
juipter12/20/2010
  Q: I am watching several documentaries on the " Star of Bethlehem" and that seemed to be one of the ...
  A: One of the best, and most plausible suggestions was put forth by Dr. Michael Molnar of the ...
object of interest12/19/2010
  Q: It is the point in the sky towards which we are moving, according to the CMBR. I want to plot (not ...
  A: Sorry, I'm not into computers or the higher math... I can barely do E-mail and get on the internet, ...
object of interest12/19/2010
  Q: It is the point in the sky towards which we are moving, according to the CMBR. I want to plot (not ...
  A: Oh, you said... celestial "object" in your first request. I don't think that point is determinable ...
Crux Constellation Belize viewing12/17/2010
  Q: A friend with cancer wants to see the Southern Cross and cannot make the long trip to Australia from ...
  A: Your friend does not have to leave Florida to see the Southern Cross... it's visible right down on ...
saturn in orions belt12/15/2010
  Q: Please answer this question. Hou often has saturn been in the center of orions belt.When was the ...
  A: Never does, never has, never will. Nor does any other major planet. Because Orion is not a Zodiac ...
astronomy12/12/2010
  Q: what is the relationship of time and gravity?what is the reality of time dilation in space? ANSWER: ...
  A: It doesn't stop... it becomes infinitely dilated, so one second takes an infinite amount of Earth ...
astronomy12/11/2010
  Q: one day of earth is equal to fourteen days of moon.how is it possible?please explain it with ...
  A: This statement about "one day on the moon" has nothing to do with relativity or the "normal" passage ...
astronomy12/11/2010
  Q: why time stops as we go higher and higher from the earth
  A: It's the other way around... it stops (infinite dilation) as you enter a strong gravitational field, ...
A star that changes color to red and green12/10/2010
  Q: A pilot friend asked me what star it would be that pilots see in the east that changes color to red ...
  A: It's probably the brightest one, Sirius... although Betelgeuse and Rigel in Orion can do the same ...
Planet position on the sky12/6/2010
  Q: How do we map the planet position we see on the sky onto the two-dimensional paper ? At night we see ...
  A: No, I'm afraid there are certain functions in this world that still require the old-fashioned analog ...
Astromomy12/3/2010
  Q: I have been studying solar radiation and gravity since 1999 when I invented the "Solar Plasma Meter" ...
  A: 5.6 degrees. On page 338 of my star Atlas, Uranometria, Vol 2 Southern Hemisphere, we see the ...
sunset11/29/2010
  Q: How far north would be the sunset June 21st? In Venice Fl
  A: My Skyglobe program gives an azimuth of 296.2 degrees for Miami on that date, and 297.0 degrees for ...
Spacesuits11/17/2010
  Q: ''The orange suits they wear for launch and landing are called Launch and Entry Suits (LESs), which ...
  A: Yes, BUT... the Leonid meteor shower currently only produce about 15-20 meteors per hour, and Leo ...
Concerned Father11/15/2010
  Q: First I apologize in advance for what is most probably a moronic question. I, however was coerced by ...
  A: .. it's always good to dispose of irregularities. Of the 10 visibly unknown infrared objects ...
Telescope making11/13/2010
  Q: I have a 8" Newt just replaced the secondary mirror and with the 2" eye pieces only I can see the ...
  A: Sorry Tim, I just use them, I don't build (or modify) them. (I pay another club member to build all ...
Quick help with question before test11/12/2010
  Q: Hey, I have a test early tomorrow morning and I'm doing review questions but I just don't know how ...
  A: That's not an astronomy question, that's a physics question, I believe involving Newton's second ...
Focal lengths11/7/2010
  Q: I have been doing some research to determine what scope I should buy. My first impression was that ...
  A: Yes, a larger mirror provides more light and a 12 inch is our desirable minimum size for seeing ...
Ring Nebula11/2/2010
  Q: Mr. Whiting, Hoping you can help me identify an object I'm seeing.... I'm new to astronomy and ...
  A: Anytime you need help with the night sky objects, give me a shout. I know it better than the ...
Space/Time11/2/2010
  Q: As a follow-up question, let me ask this: Light and matter that have entered into a black hole are ...
  A: Thought I was quite clear with my previous answer... in any case.... First, yours is an impossible ...
Ring Nebula11/2/2010
  Q: Mr. Whiting, Hoping you can help me identify an object I'm seeing.... I'm new to astronomy and ...
  A: Yes, that's it... a small "fuzzy star" at only 40 power. You'll have to up the power to magnify it ...
Planet sizes and mass11/1/2010
  Q: I'm just wondering is there a limit to the size and mass of a planet? If so why? Your help is much ...
  A: I don't know. I know of nothing that would prevent a rocky planet from obtaining the size of ...
Planet sizes and mass10/31/2010
  Q: I'm just wondering is there a limit to the size and mass of a planet? If so why? Your help is much ...
  A: Yes, there is an upper limit, but it's typically not well defined because of other factors, mainly ...
Space/Time10/28/2010
  Q: As we know, when we view a night sky we see the light from distant stars or distant galaxies as they ...
  A: First, we need to straighten out your question, like the first sentence. A light year is a unit of ...
Planet Kolob10/26/2010
  Q: Have you ever come across the imaginary planet Kolob that the LDS believes in? I am sure it is ...
  A: Planets do not "float around out there somewhere", they always orbit a star, or the sun. There is no ...
Exoplanets10/14/2010
  Q: My question is about when scientists discover an exoplanet around a distant star by means of ...
  A: They are capable of separating the results of say, 2 eight-mass planets in different orbits around ...
Gravity9/27/2010
  Q: In Einstein’s theory where time and space is bending around earth my understanding is we are being ...
  A: Yes, we and every other mass (including the atmosphere) is being kept on the surface by the ...
bright object in the southwestern sky9/25/2010
  Q: I live in the Central Texas are and have a very good view of the night sky with very little light ...
  A: Be careful there... in our great hobby of observational astronomy, equipment comes LAST, not first. ...
career guidance9/25/2010
  Q: I am a student of class 11th. My subjects are Physics,chemistry and mathematics,also biology.I am ...
  A: You are on exactly the correct path... continue taking mathematics, chemistry, and physics as those ...
bright object in the southwestern sky9/24/2010
  Q: I live in the Central Texas are and have a very good view of the night sky with very little light ...
  A: But you said "southwestern" sky in the evening. Jupiter (and coincidentally Uranus nearby, barely ...
bright object in the southwestern sky9/23/2010
  Q: I live in the Central Texas are and have a very good view of the night sky with very little light ...
  A: Sorry, but my skyglobe program shows that Venus doesn't set for 80 minutes after your Texas sunset, ...
Nibiru9/22/2010
  Q: Is there a planet Nibiru which is reported to come close to Earth on 12 December 2012? The NASA ...
  A: Unless you are into witchcraft and the occult, and the odd-ball conspiracy theories.... there is no ...
Near Black Hole Model.9/19/2010
  Q: I was wondering if you could answer this question regarding the formation of a Near Black Hole, ...
  A: FOLLOW UP: Sorry, I don't speak German... I barely got thru English. So no, I was not familiar with ...
Near Black Hole Model.9/19/2010
  Q: I was wondering if you could answer this question regarding the formation of a Near Black Hole, ...
  A: From bottom to top... yes, I see slight color tinges in M-42 thru the 30 inch. One can see Venus ...
Good material for light baffles?9/18/2010
  Q: I want to make some light baffles to go inside my 12" metal-tube Dob. What would you recommend? ...
  A: Sorry Paul, I can't help you there... I just assumed they were made out of thin plywood circles, and ...
Good material for light baffles?9/17/2010
  Q: I want to make some light baffles to go inside my 12" metal-tube Dob. What would you recommend? ...
  A: I don't think Kydex is suitable for that; you want light-weight black flocking material. I've never ...
Magnification9/15/2010
  Q: If there is an object 1760 yards away, - how close would it appear to be if viewed at full zoom by ...
  A: I don't know about your "zoom" or what that means. But you are correct about the power divided into ...
sun's position8/30/2010
  Q: I understand the earths tilt relative to the sun. Question is simple and kind of dumb I guess. How ...
  A: The suns apparent position in our sky changes by about one degree eastward every 24 hours... 360 ...
Making a diagram of the solstices and equinoxes8/29/2010
  Q: What is the best way to illustrate in a diagram the eastern horizon going from northeast to ...
  A: Depends on how complicated you want this to be... the ultimate answer involves some trigonometry, ...
Jason model 348 Mercury Telescope8/28/2010
  Q: I have the same problem as questioner below! bought this at an auction to get my grandsons ...
  A: At only one inch in diameter, why bother to mess with it? Get the grandson a pair of 10 x 50 (mm) ...
Please kindly respond to this question8/21/2010
  Q: I have found some interesting arguments from various experienced scientists regarding the origin of ...
  A: I didn't define God, you do. I simply stated that that our "invisible good friend" entity (God in ...
Please kindly respond to this question8/21/2010
  Q: I have found some interesting arguments from various experienced scientists regarding the origin of ...
  A: FOLLOW UP: Oh, and this is NOT a "belief" thingy. I have no 'belief' on this particular subject. ...
telescopes8/18/2010
  Q: I am contemplating buying a telescope in the near future and whilst I have some knowledge regarding ...
  A: Well, reading is really the first big step... we all do a lot of that in the hobby all the time; I ...
telescopes8/17/2010
  Q: I am contemplating buying a telescope in the near future and whilst I have some knowledge regarding ...
  A: I also am almost 69, but unfortunately, the same rules apply to us seniors as do the younger ...
Axis Shift8/17/2010
  Q: If there hasn't been an axial shift as you assert then how do you explain the sun rising in a ...
  A: I don't have to explain it. It's a normal reflex action of both our tilt and our revolution around ...
telescopes8/16/2010
  Q: I am contemplating buying a telescope in the near future and whilst I have some knowledge regarding ...
  A: You're probably not yet ready for a scope, as yet. How do I know that? Because you didn't bother to ...
a star in North East sky8/13/2010
  Q: I know very little about astronomy. I have a star chart which only confuses me. Looking NE I see a ...
  A: You failed to give me a location and time zone so I'll just have to work off the compass direction ...
Energy8/9/2010
  Q: What is energy ? Please explain it in brief because i am too much confused about it. Give me answer ...
  A: Energy is a measurement of the quantity of radiation given off by some form of activity, usually ...
Tasco Model 17TR telescope8/7/2010
  Q: I live in Louisiana and tried to go view the stars in a park last weekend and it was just a tease. ...
  A: Never heard of it, had to look it up at http://www.smarter.com/se--qq-tasco+telescope+80mm+17tr.html ...
Saturn's North Pole Hexagon8/4/2010
  Q: Tom, bxg66 I understand that there's several theories regarding this phenomenon. Since hexagons in ...
  A: the best explanation I could find is a dissimilar flow of a jet stream relative to the planet's ...
right ascension8/1/2010
  Q: I have tables for Long & Declination etc but don't know how to convert that to RA. could I have the ...
  A: There is zero (no) correlation between star positions (RA and Declination) on the celestial sphere, ...
right ascension7/29/2010
  Q: I have tables for Long & Declination etc but don't know how to convert that to RA. could I have the ...
  A: Places on the Earth's surface do not have a "celestial" Right Ascension or RA. I'm afraid you are ...
21 Aug 20177/24/2010
  Q: Seeing a total solar eclipse is in the top ten of my "bucket list," a list of things I'd love to do ...
  A: I also plan the 2017 event; it will be my 6th total solar eclipse on the totality line. Well, ...
Thanks7/16/2010
  Q: I am satisfied with the previous answer & i like it, thanks. Give me some details neuclear reactions ...
  A: Light, and all electromagnetic radiation... radio, heat, UV, X-rays, and Gamma Rays, have no mass. ...
Question7/16/2010
  Q: What is shockwave, how we can break sound barrier.
  A: A shockwave is really a pressure wave that builds up in front of the object that is approaching the ...
Space; Black Holes7/13/2010
  Q: I would like you to confirm if this statement is correct followed by a question. A black hole with ...
  A: Not being a math major, I really don't know. But I do know that a billion tons is practically ...
Regarding sun6/30/2010
  Q: What is the planet like is seen near the sun when a photograph of sun is taken. Some kids has seen a ...
  A: ... Anytime you attempt to photograph a bright light source, there are always ghost images, streaks, ...
Nostradamus6/20/2010
  Q: I guess I used the wrong words, if you took my previous question and replaced it with high density ...
  A: Well there is no large Earth-crossing asteroid right now... most are just a few feet across up to ...
Nostradamus6/19/2010
  Q: I have a few questions to ask about a doomsday prediction by Nostradamus for a story I'm writing and ...
  A: We really don't worry about comets unless they impact the Earth. The reason being, they are all very ...
Air Force career6/19/2010
  Q: Were you a member of class 68B at Williams AFB? I was also a member of 68B.
  A: Honestly, I don't remember the actual class designation... it was Williams AFB and it was 1968. But ...
Northeast Night Sky6/3/2010
  Q: I read your bio after a few questions you answered seemed to deal very closely with a Science ...
  A: The Big Dipper stars range from magnitude 1.8 to 3.3 and are given at ...
Ref: question6/3/2010
  Q: Good day, It has been said that most of the universe is dark matter and that it is unseen. How do we ...
  A: We know dark matter exists because if it didn't, then the clustered galaxies would all fly apart ...
laws of celestial bodies6/2/2010
  Q: I am very interested in astronomy and was wondering if you could help me with information (or direct ...
  A: Sounds like....Your first step is to either go to the library (or a local collage bookstore that ...
Venus5/27/2010
  Q: How long will we be able to see Venus in the sky over the west and how often does it appear. Thank ...
  A: Us Earthlings will be able to observe Venus through the end of September 2010, at which time our ...
Moon's speed5/22/2010
  Q: I heard about a method for calculating mean Moon's speed (around the Earth) in a model where Sun's ...
  A: Sorry, but I am not a math major, so I can't help you... I'm an astronomical observer and don't get ...
buying a telescope5/19/2010
  Q: im doing my graduation second year and i have planned to buy the best telescope within a range of ...
  A: Save your money and wait until you have $400 to $500 USD, the minimum entry level (at least in the ...
Air Force Career5/18/2010
  Q: To: Tom Whiting Sorry if i don't address you correctly. I really appreciate the time you take out ...
  A: Well, your very best thing to do is apply to the United States Air Force Academy at Colorado ...
planets5/14/2010
  Q: i would really appreciate it. whats the distance from earth to the following planets in AU; mars, ...
  A: As you probably know, the Earth-Sun distance of 93 million miles is 1 AU. So all you have to do is ...
orbit5/11/2010
  Q: So I've been told that the planets all orbit around the sun is this true? Do all planets orbit in ...
  A: Kepler's first law... All planets orbit the sun on ellipses. They all orbit in the same direction, ...
Is mars a stable planet?5/10/2010
  Q: I know that earth is a stable planet due to the presence of it's nearby moon. But i was wondering if ...
  A: Stability requires a time frame to be stated. Over 10,000 years (past and future) all major planets ...
Saturn5/9/2010
  Q: Ton - do you know the last time Saturn crossed the Earth's orbit... thenks Neil
  A: Neil, You don't really mean "crossed over our orbit" do you? You mean, when was the last time that ...
space5/6/2010
  Q: Why is the moon's orbit tilted? This was a question on a homework page from school. Is there a ...
  A: Why is Mercury's orbit tilted 8 degrees to the ecliptic? Why is Pluto tilted 18 degrees? Why are ...
2012 doomsday5/3/2010
  Q: Will we die in 2012? Please provide the most concrete evidence possible to back up your statements. ...
  A: .. I assume you're speaking of the "end" of the Mayan calendar so-called event of 12/21/2012? Did ...
career guidance4/30/2010
  Q: Sir,I'm Genny from India.I'm in 10th standard now.I have a great passion towards astronomy and would ...
  A: About the same requirements as astronomy above... heavy on math and science. Besides a weight ...
Venus4/28/2010
  Q: Venus perplexes me. It's retrograde rotation, youthful surface, and extreme atmospheric pressure ...
  A: Actually I consider Venus the most stable planet in the Solar System, with it's near-perfect, almost ...
question about a lens4/24/2010
  Q: Good afternoon Mr. Whiting, I recently bought a Jason 348 Astronomical telescope and it is missing ...
  A: Sorry but I am not that familar with commercial telescopes; suggest you ask allexperts Paul Wagner ...
View from the Moon4/20/2010
  Q: Suppose you live on the Moon, near the center of the face that we see from Earth. During the phase ...
  A: The Earth would remain stationary, high overhead, and go through phases exactly opposite of what ...
space4/10/2010
  Q: optimistic values for the terms in the Drake Equation particularly for L, will give a large N, ...
  A: More of a 'biology' question as opposed to astronomy, isn't it? In any case.... All true, BUT... ...
if we live on the moon4/8/2010
  Q: "If we lived on the Moon, how would the position of the Earth change in our sky over time? Would the ...
  A: It wouldn't move. Since the moon keeps its same side toward the Earth, the Earth remains "frozen" in ...
Mars4/7/2010
  Q: Whiting, I have a question about life on Mars. I know it sounds science-fiction, but I am not ...
  A: No. So far we haven't sent an electron microscope (or even an old-style optical microscope) there. ...
Atmosphere Pressure on Mars and Venus4/6/2010
  Q: What is the atmosphere pressure of these 2 planets? Are they higher than Earth's atmosphere ...
  A: The URL given below gives all planets' atmospheric pressure. Venus is about 92 times the Earth and ...
Large grouping of moving Orange Lights4/5/2010
  Q: I have just spotted interesting activity within the sky, I am located in Dulverton, Somerset, UK and ...
  A: .. I'd never thought of a Chinese wedding with paper lanterns with candles in the paper bag. (Isn't ...
Large grouping of moving Orange Stars4/4/2010
  Q: I have just spotted interesting activity within the sky, I am located in Dulverton, Somerset, UK and ...
  A: Your subject line should read, "Orange Lights" and not orange stars. (Stars don't move relative to ...
Vernal Equinox4/1/2010
  Q: if I have understood this correctly, the vernal equinox is regarded as the first day of spring when ...
  A: No trouble, we're just volunteers that like to help the people with their astronomy questions. Yes, ...
How to calculate Doppler Shift?3/31/2010
  Q: In hydrogen, the transition from level 2 to level1 has a rest wavelength of 121.6 nm. suppose you ...
  A: Like sound, the wavelength of light will lengthen if object is moving away, and shorten when ...
I want to do Astro physics in my future3/30/2010
  Q: I am pranav S complted 8th standard and now i am in 9th standrd(ICSE) .I am very much interested in ...
  A: Take all the "heavies"....2 years algebra, plane geometry, a year of trigonometry, chemisty, physics ...
The earth viewed from the moon3/30/2010
  Q: Mr. Whiting You've answered question related to the earth viewed from the moon. But does this ...
  A: A lunar observer on the moon viewing the Earth sees a stationary (but rotating) Earth in the lunar ...
science (astronomy-stars)3/25/2010
  Q: We are studying the evolution of brightest stars in a constellation. I have to do a star report. We ...
  A: I couldn't find much on it either on the internet.... my best try was at ...
Vernal Equinox3/21/2010
  Q: if I have understood this correctly, the vernal equinox is regarded as the first day of spring when ...
  A: If it's due west and low, yes, it's Venus just slowly climbing up into our evening western sky, from ...
Vernal Equinox3/20/2010
  Q: if I have understood this correctly, the vernal equinox is regarded as the first day of spring when ...
  A: Gary, Technically, the sun is at the Vernal Equinox is when the sun crosses the celestial equator ...
Moving Line of Lights3/18/2010
  Q: the other night me and my friends were driving my on friend back to his house in Polk Township,Pa in ...
  A: Not really...BUT...The odds are pretty good that it probably was, in fact, a flight of night flying ...
Refracting Telecopes3/17/2010
  Q: A very simple refracting telescope (perhaps the first one invented) had a CONVEX lens as an ...
  A: All good astronomical telescopes invert the image at the eyepiece, irrespective of curvature. We ...
Weights on other worlds3/13/2010
  Q: Calculate the acceleration of gravity on the surface of each of the following worlds. How much you ...
  A: There are two webpages that do that for you... the first is at ...
Cygnus (the swan)3/11/2010
  Q: How many stars are in the constellation cygnus?
  A: Down to what magnitude (brightness)? There are thousands and thousands of stars visible in even a ...
astronomy3/7/2010
  Q: what is the parallax angle of a star that is 32.6 Ly distant?
  A: A star at one parsec ( = 3.26 ly) would have a parallax angle of 1 arcsec. (The simple formula is ...
National History Day3/5/2010
  Q: My name is Dustin and for my National History Day project I am doing the innovation of space travel, ...
  A: 1. Human space travel has spurred a general interest in astronomy in the past 50 years, and we did ...
National History Day3/5/2010
  Q: My name is Dustin and for my National History Day project I am doing the innovation of space travel, ...
  A: Didn't know that there was a National History Day? Which day is that? There is a National ...
Big Bang3/4/2010
  Q: Sir, - Hubble's law explains about an expanding of universe everywhere in the PAST or in the ...
  A: Yes, in a way, we do; I guess one can look at it that way. I'm no expert on spectral analysis, but ...
Big Bang3/3/2010
  Q: Sir, - Hubble's law explains about an expanding of universe everywhere in the PAST or in the ...
  A: The "standard spectrum" is the laboratory spectrum that is observed in a laboratory at zero velocity ...
stars2/28/2010
  Q: i need the name of any star that would set/rise in the skies of cape town at around the middle of ...
  A: I don't have Cape Town on my skyglobe program, but I do have Johannesburg a few hundred miles to ...
astronomy2/26/2010
  Q: THIS IS A SERIOUS QUESTION YOU HAVE TO THINK IT OVER. DO YOU BELIEVE IN MEDITATION? I CAME TO KNOW ...
  A: No, I don't believe that. If we COULD really do that, then why spend all the money for space probes ...
Brightest Quasar visible to amateurs?2/25/2010
  Q: I was wondering what the current record holder for the brightest quasar is, and would it be visible ...
  A: 3C 273 still remains the brightest quasar at magnitude 12.9v in Virgo, a few degrees NW of naked eye ...
request for details of career guidance for astronomy2/24/2010
  Q: SIR MY NAME IS KIRAN KUMAR, I AM FROM INDIA I AM DESPERATE TO LEARN ASTRONOMY VERY MUCH. BUT I DONT ...
  A: I learned astronomy first by reading everything I could at the public and school library, and by ...
astronomy2/17/2010
  Q: Is 2012 the end real?
  A: For the Mayan calendar, I guess so, although I'm not Mayan. BUT, for the rest of us, our Gregorian ...
Planets with dark/light sides2/12/2010
  Q: I'm writing a science fiction story about a world with a 'sunny side' from which the sun appears to ...
  A: The term is synchronous rotation... the moon keeps one side facing the Earth because it rotates once ...
lights in space2/11/2010
  Q: WHat are the lights people are talking about that are coming closer to the earth?
  A: I have no idea of what you're talking about... Send me the internet reference. Sounds like a little ...
age of universe1/28/2010
  Q: firstly would like to thank you on your previous replys to myself. As far as i am aware we have ...
  A: No confusion at all. Big Bang occured 13.7 billion years ago. (In current time)... so that's our ...
age of universe1/28/2010
  Q: firstly would like to thank you on your previous replys to myself. As far as i am aware we have ...
  A: Sorry, I did not mean to imply that I disagree with the 13.7 billion year value. I accept that ...
ecliptic?1/28/2010
  Q: my father (83y.o.) keeps talking about a line that runs diagonally around the world & through ...
  A: There is a special line that runs right through the middle of Australia (just misses Alice Springs) ...
age of universe1/27/2010
  Q: firstly would like to thank you on your previous replys to myself. As far as i am aware we have ...
  A: Second question first....We have, in our own club, about 3/4 of the members are just like you. They ...
star1/26/2010
  Q: What is the first sunlike star to possess a planet?
  A: You mean the first one discovered outside the Solar System? The star 51 Pegasi in the constellation ...
Jupiter1/26/2010
  Q: Why isn't Jupiter habitable?
  A: By definition, Jupiter is one of 4 gas giants in the Solar System, the others being Saturn, Uranus, ...
speed of light1/24/2010
  Q: im hoping you can help me with my memory! Many years ago i wrote to Stephen Hawking,no less, and ...
  A: He probably meant "speed of light" instead of speed of sound...BUT your entire question is ...
mid-latitude1/22/2010
  Q: what kind of weather conditions an observer would experience if the center of a mid-latitude cyclone ...
  A: In the northern hemisphere, air around a low circles counter-clockwise. So in the northern ...
water1/22/2010
  Q: What is the process by which water changes from one state to another? ANSWER: Hi Charlie, When ...
  A: It's both, depending upon the outside surroundings of the environment around the substance. If ...
water1/22/2010
  Q: What is the process by which water changes from one state to another?
  A: When water (or any other substance) changes from a solid to a liquid, that's called melting. The ...
aerosols1/21/2010
  Q: What are the main sources of human-generated aerosols and what kind of effects do these aerosols ...
  A: An aerosol is defined as a suspension of either a droplet or a solid in a gas, in this case, the ...
Stars, constellations, and asterisms1/21/2010
  Q: Mr. Whiting In a previous post I asked if one could view the moon on two consecutive nights. I did ...
  A: Yes, but not necessarily at the same time. You in Cuba, and your sister in Virginia are basically ...
Hubble looking back in time?1/21/2010
  Q: To keep things as brief as possible, I understand the concept of red shifting. I also go along with ...
  A: We have far far more than that...but it would take a physics and astronomy course to explain it ...
The Sun in the Milky Way1/20/2010
  Q: What is the radial velocity of our sun relative to the galactic core? More generally, are galaxies ...
  A: Galaxies, in fact all matter, are relatively fixed in size for the time being (see last ...
astronomy1/18/2010
  Q: Is the "dog star" located near the moon? To the bottom left? ANSWER: Hi Linda, Since the moon moves ...
  A: Oh, while Sirius is the brightest real star at -1.5 magnitude, there are a couple of planets that ...
Full moon1/18/2010
  Q: Mr. Whiting I read that on 31 December 31/1 January and 29/30 January there are two consecutive ...
  A: No, you misinterpreted what you read....the date December 31/1 January means that part of the world ...
astronomy1/18/2010
  Q: Is the "dog star" located near the moon? To the bottom left?
  A: Since the moon moves like a speeding freight train all around our sky, it's best not to use the moon ...
global warming1/17/2010
  Q: Are you for or against Global Cooling?
  A: Actually, I'm not for or against anything. But I do know that this planet is self-regulating over ...
Supernovae1/15/2010
  Q: Mr. Whiting I have a few questions I would like to ask. How does a star "die?" How do Type I ...
  A: The starting mass of a star determines it's method of death, and not surprisingly, ALL the other ...
Hubble looking back in time?1/14/2010
  Q: To keep things as brief as possible, I understand the concept of red shifting. I also go along with ...
  A: Lots of questions but I'll try to do my best. There is a very very high confidence in using Red ...
Eclipses & Phases of the moon1/13/2010
  Q: Its known to us that the moon takes 29.5 days to go around the earth which denotes that we ...
  A: Lunar eclipses can only occur at exact full moon, the other condition being that the moon must be ...
About moon1/4/2010
  Q: if one conceives an Earth-Moon system isolated from influence of the solar system, (the Sun ...
  A: No, the difference between the two periods is the 27.3 days (lunar sideral period) the Earth ...
Sun following speed1/3/2010
  Q: I am a sculptor and I have this idea for a kinetic sculpture that the top needs to be under the sun ...
  A: Do you mean rotate (motion around an axis) or apparent travel across our sky, based on the Earth's ...
thunderstorm1/2/2010
  Q: What causes thunderstorms in countries, close to the North Atlantic Ocean?
  A: The same thing that causes thunderstorms anywhere else; rapid uplift of the relatively warm ...
gravitons12/31/2009
  Q: "Hi,i have heard scientists have no evidence for a graviton but beleive it to be real,as a force ...
  A: Oh, I'm a big fan of good sci-fi, especially the TV series of Startrek. However, later cast ...
gravitons12/30/2009
  Q: "Hi,i have heard scientists have no evidence for a graviton but beleive it to be real,as a force ...
  A: That's just my personal opinion, but I could be wrong... (how does one test for that?) Well, perhaps ...
gravitons12/30/2009
  Q: "Hi,i have heard scientists have no evidence for a graviton but beleive it to be real,as a force ...
  A: Second question first....the balloon analogy is a poor one conceived in the early days, butit breaks ...
Looking for a beginner telescope12/30/2009
  Q: Can you tell me where I could buy an inexpensive telescope in the Erie area? I bought one for my ...
  A: Sorry but this is one of the few activities that requires you to purchase a telescope by mail order ...
black hole universe12/27/2009
  Q: "Hi wondered about your views on the following idea. We have 'calculated' expansion rates of the ...
  A: Well, you are free to do any research you wish. Just remember to maintain the integrity of the ...
black hole universe12/26/2009
  Q: "Hi wondered about your views on the following idea. We have 'calculated' expansion rates of the ...
  A: I don't think we can do the same for a black hole, which simply represents the most compact (or ...
black hole universe12/26/2009
  Q: "Hi wondered about your views on the following idea. We have 'calculated' expansion rates of the ...
  A: Yes, I've read the theory that the entire Universe may be one giant black hole. Don't know if I ...
Telescopes12/26/2009
  Q: I bought a set of Nikon 7x50 binos and a Celestron Star Map for my 8 year old nephew this Christmas. ...
  A: Yes, equipment (scopes) come last in our great hobby, not first.  It's the same as if I gave you a ...
Telescopes12/26/2009
  Q: I bought a set of Nikon 7x50 binos and a Celestron Star Map for my 8 year old nephew this Christmas. ...
  A: Yes, you are going about it exactly the correct way. A 6 inch (mirror diameter) scope improves on ...
astronomy12/24/2009
  Q: are there any stars that are around the entire year and sets when half the night is gone?
  A: All the stars "are around"....exist, all the time. (Even the sun). It's just that you can't see the ...
meterology12/14/2009
  Q: ok this is what I got for liberia weather. These results were from this afternoon at 1400Z. ...
  A: Not knowing anything else, it appears that a weak cold front passed thru your region. 1. ...
Universe12/12/2009
  Q: Is the universe finite or infinite? If it is finite, how big is it?
  A: Depends how you define our Universe. If you're talking about the baryonic matter, the 4% that we and ...
Science of an Intelligent Universe12/11/2009
  Q: Greetings Mr Whiting, My work on www.ascensionq.20fr.com is religion and science based and is a ...
  A: FOLLOW UP: In addition, if one has to 'drop down' to the use of volunteer astronomers on the ...
meterology12/10/2009
  Q: How do I make an analysis of local pressure in Liberia?
  A: You'd have to get a multitude of barometric pressure readings from all over the country, preferably ...
Astronomy/Electromagnetic radiation (starlight)12/4/2009
  Q: Good evening Mr. Whiting I have a few questions regarding starlight. If starlight is ...
  A: All of it. Starlight is composed of radio, infrared, visible light, UV, X-ray and gamma rays, the ...
Current State of Stars and other Space objects.12/3/2009
  Q: For the longest time I have been confused on whether or not our current telescope technology allow ...
  A: Of course not. That's not a technological problem "to solve"... but simply a hard physical law ...
collision of the two galaxies12/2/2009
  Q: what would be the effect upon impact, post impact and the long lasting effect if the collision of ...
  A: Well, there really is no "impact"...these aren't hard frisbee disks. In fact, in all the galaxy ...
can i see the stars11/30/2009
  Q: Greetings, I have a Jason model 323 yellow piece of equipment along with a Hollywood Gemini 2806 ...
  A: Sorry, but I'm not much up on the smaller scopes and their associated equipment. Paul Wagner is our ...
clouds11/30/2009
  Q: WHy is it that its 5 a.m. where I'm at and I don't see any clouds? ANSWER: 1. I don't know your ...
  A: While you're on the coast of West Africa, true it's probably always humid at the surface, ...
clouds11/30/2009
  Q: WHy is it that its 5 a.m. where I'm at and I don't see any clouds?
  A: 1. I don't know your location. (And therefore I don't know your current weather synopsis.) 2. Could ...
weather11/30/2009
  Q: What are the types of precipitation found in NY seasonally during the entire year? ANSWER: Hi ...
  A: Georgia, especially southern Georgia, is nearly a sub-tropical region...so they are subject to ...
weather11/30/2009
  Q: What are the types of precipitation found in NY seasonally during the entire year? ANSWER: Hi ...
  A: Las Vegas is further south and is in a western desert region. So it's hotter and dryer with far less ...
weather11/30/2009
  Q: What are the types of precipitation found in NY seasonally during the entire year?
  A: All 9 different types of precipitation are found in the New England region, including my home state ...
Relative11/30/2009
  Q: Tom, was your Mother or Grand mother named Kendrick? Was she from somewhere around Hominy, ...
  A: Sorry Joe, no relation. All my relatives were Allentown PA and Western PA around New Castle....poor ...
Orbits11/29/2009
  Q: I shall try to clarify my originalThe moon orbits the earth. The Earth Orbits the the Sun. The Sun ...
  A: The Milky Way appears to have a random motion inside the Local Group. That's capital L and G. (Our ...
global warming11/28/2009
  Q: is global warming a hoax and that we should burn more fuel to prevent a next ice age? when volcanoes ...
  A: There have been more ice sheets than megavolcano eruptions, the last being Yellowstone some 640,000 ...
the volume of material substance in comparison to the entire universe11/25/2009
  Q: How large is the volume of matter in the universe?Say we take containers each holding inside 1 cubic ...
  A: Yes, regular matter is scarce... I've read where it's density is more like one atom (mainly ...
moving lights in the sky11/24/2009
  Q: My boyfriend and I were in Defiance, MO. He lives there and we are building a new house. We were ...
  A: Lights at night are the most difficult to determine, as the eye can only detect brightness and ...
opinion11/23/2009
  Q: what do you find interesting about the below paragraph? The coordinates for Fussa Japan are: 35° ...
  A: My opinion? I agree with it...topography (mountains and valleys) and bodies of water greatly ...
spotting a meteor11/22/2009
  Q: Last evening, 11/21/09 at 6:00 PM I was taking some compost to my compost pile. It was dark and my ...
  A: No, your meds are fine. It probably was walnut or softball sized. Somewhere on the Earth about once ...
spotting a meteor11/22/2009
  Q: Last evening, 11/21/09 at 6:00 PM I was taking some compost to my compost pile. It was dark and my ...
  A: No, in fact my last question was about this exact same meteor sighting at 6 pm on that date. That ...
meterology11/22/2009
  Q: I got a question. I am stationed in Liberia (africa) and there are two seasons which is the wet from ...
  A: Isotherm lines on a synoptic weather map are important in a historical sense. One can go back say 50 ...
night sky 11/21/0911/22/2009
  Q: I was looking into the north eastern sky at 6:30 p.m. and saw what I think may be a meteor. It was ...
  A: Yes, they can and do. They can come in many varieties...no tail, no trail, long trails that ...
meterology11/21/2009
  Q: I got a question. I am stationed in Liberia (africa) and there are two seasons which is the wet from ...
  A: Isotherms, by definition, are lines of constant temperature on a weather map over a large area. ...
earht11/9/2009
  Q: what is the age of earth?.how the earth formatted from starting?
  A: The age of the Earth...and Solar System...is estimated at 4.6 billion years. This age is the ...
measuring the moon11/5/2009
  Q: I need help figuring some things out about the moon with some data I have gathered. I have observed ...
  A: If you are really interested in where the moon is located in the night sky from night to night (and ...
built-in barlow10/29/2009
  Q: Whiting: I recently purched a Celestron Powerseeker 127 EQ. The label on the scope says that it has ...
  A: Sorry, but I'm not up on the newer scopes with the built-in barlows, built-in eyepieces, permanently ...
Orange Oscillating Star10/28/2009
  Q: I live in Omaha, NE. Currently in the night sky beginning at dusk I can see a yellow/orange star ...
  A: Yes, that is the very bright zero magnitude star Capella in the constellation Auriga. It's common ...
Astronomy and "global warming"10/23/2009
  Q: Is "global warming" affecting the recreational astronomer? Do you have any images from the past to ...
  A: First, there is no global warming. In fact, if you check your numbers yourself, you'll find there is ...
Earth Magnetism10/12/2009
  Q: What do you know about the Earth's magnetic fields? What causes them to change? How does the ...
  A: I'm not a big expert on the Earth's magnetic field (singular, not plural)...but I know a little ...
Radiation10/10/2009
  Q: What do radio waves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma ...
  A: You've just named off all the forms of radiation on the electromagnetic spectrum. All of those are ...
Radiation10/10/2009
  Q: What is diffraction, and how does it relate to the behavior of light as a wave?
  A: You can do 3 things with light....reflect it, refract (bend) it, or diffract (split) it. One can ...
Midterm Help10/6/2009
  Q:
  A: Well, if the moon were greater than 93 million miles, then it couldn't be orbiting the Earth, it ...
astronomy10/6/2009
  Q: when you look at jupiter through a telescope why do the moons orbit so fast around jupiter(my ...
  A: According to Kepler's laws of motion, orbital time is based on distance from the primary planet, (or ...
motion of planets10/5/2009
  Q: if the earth revolves and rotates in the opposite direction will we be able to go in the past?
  A: NO. Time passage is not dependent on our position in space or how or where we are traveling. So ...
Enormous Orange Planet-like Object10/1/2009
  Q: Mr. Whiting, When I was a child, my mother saw something in the night sky that she couldn't ...
  A: ...yes, I know my night sky quite well as that's been my specialty for over 50 years. But I wish I ...
Enormous Orange Planet-like Object9/30/2009
  Q: Mr. Whiting, When I was a child, my mother saw something in the night sky that she couldn't ...
  A: Without exact information....dates, times, compass directions, locations...one can only take an ...
how to conduct a one year syudy of polaris motion9/29/2009
  Q: I am try to collect data to visulize the motion of polaris as viewed from a latitude of zero over a ...
  A: You collect data by traveling to the equator (latitude zero) and viewing Polaris for yourself.... ...
Halley's comet9/24/2009
  Q: What causes comets to die out?
  A: Do you mean over their multi-million year total life span or do you mean as they exit the inner ...
Halley's comet9/24/2009
  Q: When did Halley's comet look the best and explain how it looked?
  A: Halley's comet looked the best in the 1910 return because we, the Earth, actually zoomed through the ...
New moon sighting9/16/2009
  Q: When do U think the new moon will be visible? 19th or 20th of September.
  A: By definition, the new moon is never visible from the Earth's surface, being too close to the sun.  ...
Lights in sky over HoldenBeach NC9/16/2009
  Q: This evening around 9- 10 pm we also saw lights in the sky over Holden Beach on the southern end of ...
  A: It's summertime and a lot of reservists are attending their 2 weeks of required military duty ...
how long it would take to travel to the planets9/15/2009
  Q: How long would it take to travel to venus(from earth)travelling 100kmph? how long from venus to ...
  A: Yes, being in the USA, I have all the distances of the planets from the sun memorized...in miles. So ...
The ecliptic plane9/14/2009
  Q: I am new to astronomy and would like to know if the ecliptic plane is right above my head in the ...
  A: Only those observers that live on the equator and 23.5 degrees north or south of the equator have ...
Halley's comet9/13/2009
  Q: What makes Haley's comet so different from other comets
  A: There are two types of comets, periodic - ones that return at regular intervals, and non-periodic ...
Halley's comet9/13/2009
  Q: what makes Halley's comet so famous?
  A: It was the first comet determined to be in an orbit around the sun, and therefore would return at ...
Halley's comet9/13/2009
  Q: Where was Halley's comet observed?
  A: When? Tom FOLLOW UP: I first observed Halley in February 1986 from Erie, PA...then we took vacation ...
an angular distance question9/8/2009
  Q: Whiting! I was wondering if you knew how to calculate the angular distance from horizon to horizon ...
  A: At sea level, it's 180 degrees. It is 90 degrees from say the western horizon up to the zenith ...
What is the brightest star or planet in the texas sky?9/6/2009
  Q: What is the brightest star or planet in the Texas sky? Thanks David
  A: 1. THE SUN (rises at sunrise)...at -26.7 magnitude (the sun is a star). 2. Venus rises in east ...
Lacerta9/4/2009
  Q: If I named a star in the lacerta constellation would you be able to see it in san antonio, tx?
  A: Yes, the area of Lacerta is visible from anywhere in the northern hemisphere. It's not a very ...
orbit8/12/2009
  Q: Why all the planets more or less lie in the same plane with the sun? Why can't they differ more ...
  A: Our Milky Way stars are not spiraling inward; We call our galaxy (and all spiral galaxies)...a ...
Universe8/11/2009
  Q: Is it a waste of time and resources to listen for signals from intelligent life in the Universe ?
  A: Realize this is a "matter of opinion" question, and more of a biological or astrobiology (the only ...
orbit8/11/2009
  Q: Why all the planets more or less lie in the same plane with the sun? Why can't they differ more ...
  A: Nature and gravity tends to draw a rotating loose mass down into a pancake shape as the cloud ...
Neutron stars8/11/2009
  Q: What are neutron stars? Is sun a neutron star? How many types of stars are there in our universe?
  A: The sun is not a neutron star...it is a common garden variety, normal, average Main Sequence star ...
astronomy8/6/2009
  Q: Explain the difference between Absolute Brightness and Apparent Brightness Is the answer: Absolute ...
  A: Yes, you are discussing apparent magnitude (m) versus Absolute Magnitude (M). And yes, apparent ...
Astronomy7/27/2009
  Q: Will it be possible in the future to travel to other stars? What difficulties are there?
  A: In my opinion, yes...interstellar flight is not impossible, it's just very very difficult (as was a ...
Sunset7/27/2009
  Q: I am getting married October 24th, 2009 in St. Joseph, Missouri, what time will the sun set???
  A: My skyglobe computer program gives 6:22 pm CDT on October 24th for Kansas City, which you are about ...
Astronomy7/26/2009
  Q: I was reading that the plan to land people on the Moon and Mars will be very expensive. It means ...
  A: Well, even at the height of the Apollo program, not everyone supported it. There were those that ...
Shooting Stars in Texas7/26/2009
  Q: Mr. Whiting, My friend and I have been star-gazing for some time now. We usually see little ...
  A: Actually, what you and your friends saw was a "typical" random night out under the starry night sky ...
Mercury again7/23/2009
  Q: Just as follow up, what do you think of the value of the Messenger mission, and can we ever see ...
  A: Last question first...Yes, Mercury is sometimes visible to the naked eye, but you have to work at ...
Mercury7/23/2009
  Q: I recently read where we sent a spacecraft called Messenger to Mercury in 2004, but doesn't get ...
  A: Normally it's easier to go in toward the sun, than outward, like if you just want to do a flyby, or ...
what is this?7/22/2009
  Q: http://www.flickr.com/photos/vichiousfishes/3746126984/ ...
  A: Yes, I used to have, on my old Pentax K-1000 film camera, one of those lined, color filters that ...
Astronomy7/21/2009
  Q: I was reading that the plan to land people on the Moon and Mars will be very expensive. It means ...
  A: Yes, space is very expensive....however, realize the money is not really sent out into space; it's ...
Satellite tracks7/20/2009
  Q: Why are tracks of satellites and other spacecraft appear wavy when shown on a tracking map (up/down ...
  A: Oh, you mean the sine waves across a flat 2-dimensional map of the entire Earth? Because that's the ...
meteor/meteorite/asteroid impacts:direction7/19/2009
  Q: I've been wondering: do meteor/ite, asteroids that impact the earth come from totally random ...
  A: Sporadic meteors (and other space junk) can come in from any direction at any time (same for comets ...
Jason 323 Comet Chaser7/17/2009
  Q: We have a Jason 323 Comet Chaser Reflector Telescope 160X Power 480 MM Focal Length 3" Diameter. It ...
  A: As a matter of fact, nothing is wrong. You don't want to "fix it"!! On all good astronomical ...
Space and Time and gravity7/16/2009
  Q: I am led to believe that light is the fastest know moving item/object in space and time, But also ...
  A: Ok, first a few factual ground rules. If we could travel light speed (we can't) then time becomes ...
life7/14/2009
  Q: The Huyghens probe landed on Titan and searched for life. Spacecraft landed on Mars also which also ...
  A: Actually, the actual search for 'life' is all for publicity.... or secondary to the real mission. ...
Autumnal Equinox 19757/10/2009
  Q: I'm an author, writing a novel set in 1975. I have done some research and I know that in that year, ...
  A: Sorry BUT.....I'm afraid you have the "rarity" wrong and incorrect....June 22 was the date for ...
Autumnal Equinox 19757/10/2009
  Q: I'm an author, writing a novel set in 1975. I have done some research and I know that in that year, ...
  A: Yes, and actually it occurs every 4 years...to the solstice dates, the equinox dates, the ...
astro7/7/2009
  Q: In a hypothetical problem, it is calculated that an asteroid 15 km in diameter will hit the Earth in ...
  A: Well, hypothetically, there are two things that can be attempted....give it a little hypothetical ...
space-craft7/3/2009
  Q: Why do space-craft not melt in the heat of the million degree corona.?
  A: There is heat, and there is temperature...the two are not the same. You are confusing the two, as ...
Energy6/29/2009
  Q: The Sun produces a tremendous amount of energy and will for the next 5 billion years, should we ...
  A: (Pretty name, I always liked that name for a girl). I take it this is more an opinion question ...
Problem with a Meade ETX 90 telescope6/29/2009
  Q: The right ascesion drive does not engage. Do you have any troubleshooting suggestions? Many thanks!
  A: Bad teeth, bad worm drive, no current available to motor, scope not plugged into portable battery, ...
astronomy6/25/2009
  Q: When we are experiencing Spring in the Northern Hemisphere, which season are people in the Southern ...
  A: Yes, you are correct...the S. Hemisphere experiences exactly the opposite season that the N. ...
Refractors VS SCT's6/25/2009
  Q: People say aperture is everything, on the contrary they say, most of the small premium refractors ...
  A: The contrary view depends on what you are viewing, but usually, aperture is everything. That's why ...
ASTRONOMY6/24/2009
  Q: It is now 40 years since astronauts were walking on the Moon. Should we return?"
  A: Yes, of course...and then onward to Mars, the Main Asteroid Belt (lots of mining of minerals and ...
ASTRONOMY6/24/2009
  Q: On the day of a solar eclipse, at what time does the Moon rise? Why does it rise at that time?
  A: Since the moon would have to be quite near the sun, it would have to rise just minutes before the ...
Very bright flash in Orphiucus 6/23/096/23/2009
  Q: I was outside this morning between 4:50 and 5:10 am CDT in San Antonio, TX. I was looking (naked ...
  A: Are you aware of Iridium Flare Satellites? There are over 90 of them and they get as bright as -9th ...
Telescope6/18/2009
  Q: I have a question that I've been thinking about for years. The Hubble telescope has been bringing ...
  A: It's a question of resolution. While those distant galaxies are billions of lightyears distant, ...
June 15, 2009...(1:00 AM CST)6/16/2009
  Q: I reside in Chicago and was up late last evening/early morning. I looked out my window and noticed ...
  A: but I wish you could furnish a more exact time for my Skyglobe Computer program. Nevertheless, I'll ...
sunset on October 17, 20096/15/2009
  Q: my daughter is getting married on October 17, 2009 in kansas city mo. I read your answer to a ...
  A: .. Congratulations! Yes, my skyglobe computer program shows a KC MO. Oct 17th sunset at exactly ...
Space6/15/2009
  Q: How are the weights and sizes of planets like neptune, Uranus and earth and asteroids, etc. ...
  A: The planets mass are determined by their gravity effects on other bodies, and then using Newton's ...
star6/11/2009
  Q: I live in Nelson,B.C.,Canada.January 25,2009 on a very dark night we watched with binoculars a star ...
  A: No, I really thought you had a legitimate question with no drinking involved. So, just joking. I ...
star6/10/2009
  Q: I live in Nelson,B.C.,Canada.January 25,2009 on a very dark night we watched with binoculars a star ...
  A: You guys weren't drinking or "other stuff"...were you? ;-) Stars remain in the same location ...
star6/10/2009
  Q: I live in Nelson,B.C.,Canada.January 25,2009 on a very dark night we watched with binoculars a star ...
  A: Ok, first a few astronomy basics. The human eye cannot detect distance (or even size because we ...
time dilation6/9/2009
  Q: i understand that as you get further from a mass (say, earth) gravity weakens and therefore time ...
  A: Time passes at it's fastest speed when no gravitational field is present, (basically the same speed ...
time dilation6/9/2009
  Q: i understand that as you get further from a mass (say, earth) gravity weakens and therefore time ...
  A: I'm afraid you have it backwards...time runs normal speed in low, or no, gravitational field, and ...
Astronomical mid-night6/8/2009
  Q: Is there a difference between midnight (12:00 am) and astronomical mid-night when the sun is at ...
  A: Yes, you are correct...I did not factor in the equation of solar time where the sun runs slow or ...
Astronomical mid-night6/8/2009
  Q: Is there a difference between midnight (12:00 am) and astronomical mid-night when the sun is at ...
  A: Yes, there is a big difference betweeen astronomical midnight and standard time midnight of 12 am. ...
moon6/6/2009
  Q: the moon rotates very slowly on its axis. and how does this affects the lunar surface temperature??
  A: Yes, the moon rotates once for every one revolution around the Earth, thus keeping the same face ...
the big bang6/4/2009
  Q: do scientists have any idea as to what exploded, or expanded? ANSWER: Hi Brian, The short answer is ...
  A: I'm afraid your initial premises are not correct. A black hole does not "pull" light (or anything ...
the big bang6/4/2009
  Q: do scientists have any idea as to what exploded, or expanded?
  A: The short answer is no, we as yet, don't know how or what happened. I hate to use the word ...
astronomynews?club?info?6/4/2009
  Q: I have loved astronomy since I was a child. How can I get daily emails advising what astronomical ...
  A: You can explore the site http://www.skyandtelescope.com For events in the night sky, and even find ...
different wavelengths6/2/2009
  Q: is it possible that there are different types of waves between the known waves, or is this a finite ...
  A: Not only our Milky Way galaxy, but it seems all galaxies, at least the very large massive ones, ...
different wavelengths6/2/2009
  Q: is it possible that there are different types of waves between the known waves, or is this a finite ...
  A: Wavelength has an inverse relationship to frequency; formula is f = v/wavelength where v is ...
star visibility6/2/2009
  Q: What stars can be seend from both the southern and northern hemispheres ANSWER: Hi Susan from ...
  A:   Well, I'm very close to New York's latitude, so the New Yorkers and the Pennsylvanians see the ...
star visibility6/2/2009
  Q: What stars can be seend from both the southern and northern hemispheres
  A: The easy, but less accurate answer is....that part of the sky in the middle, or the equatorial ...
the moon in the daytime?5/31/2009
  Q: Just a curiosity really, but when the UK can see the moon the daytime, what does Australia see at ...
  A: Everyone sees the same phase of the same moon, but not quite at the same time. If you see a first ...
Meteor / Shooting Star?5/28/2009
  Q: Wednesday, May 27, 2009 around 9:45 p.m. I was in my backyard and noticed a very bright white light ...
  A: Meteors come in many varieties and many forms, from directly head on point sources of light lasting ...
Cat's Eye Nebula5/23/2009
  Q: I recently saw an amazing photo of the Cat's Eye Nebula and read that it is considered to be one of ...
  A: Like our webpage says, since astronomy is a learning hobby, and not a flashy visuals hobby, read all ...
comet project5/22/2009
  Q: Whiting! If you would be so kind as to give a little definition of comets for me i would greatly ...
  A: Be glad to, although I can't take credit for it, the best definition I ever heard for a comet is, at ...
Cat's Eye Nebula5/22/2009
  Q: I recently saw an amazing photo of the Cat's Eye Nebula and read that it is considered to be one of ...
  A: Last question first....there are a lot of things that are still unknown in space...What is the dark ...
Asteroid Belt5/21/2009
  Q: Can you give me a quote about the asteroid belt for a project I am doing for science?
  A: What used to be the vermin of the night sky have now become the darlings. We are now looking upon ...
Axis of rotation5/17/2009
  Q: What keeps the rotational axis of the Earth largely in line with the celestial background? It seems ...
  A: The rotation of a massive Earth is the same as a rotating gyroscope, and it obeys the laws of same. ...
Measuring dark matter/energy.5/13/2009
  Q: I am fascinated by dark matter/energy and I was wondering what the problem is with scientists not ...
  A: Well, all astronomers and cosmologists are just as fascinated as you are, and just as much "in the ...
the sun5/10/2009
  Q: i always enjoyed reading your articles online. but i have a question for you today.. how far out in ...
  A: Yes, that would be pretty close for an older astronaut....double 10 parsecs would be 20 pcs or about ...
GETTING UP CLOSE5/10/2009
  Q: I was wondering would you please tell me: why do we have daylight savings? Thanks
  A: Actually most of us astronomers hate it as we have to wait that extra hour for it to get dark. I ...
Before the Big Bang5/7/2009
  Q: my question is what was there before the big bang, some people say there was a small point in space ...
  A: Well, I can un-confuse you, a little bit. The honest answer is....we just don't know, in fact, no ...
Space5/1/2009
  Q: Sir I've the following questions: 1. How is the distance between 2 planets determined? 2. How is the ...
  A: In the old days, astronomers used triangulation and parallax, and timing a planet's eclipses and ...
Time4/27/2009
  Q: I was reading an article about Einstien's theory of relativity and I had 3 quick question? what ...
  A: First off, you HAVE to know about a lightyear, because it's a unit of DISTANCE, not time or ...
Morning star4/24/2009
  Q: I come to work early around 5 am. The past few days I have seen an extremely bright star or planet ...
  A: That's Venus, brightest starlike object in our night sky. The same planet that we were viewing in ...
solar system motion4/21/2009
  Q: How fast (miles per day, hour, min or sec) is the solar system moving in it's up and down 26k year ...
  A: Some of these numbers are only approximate as it seems each reference has their "pet" set of ...
Black holes4/21/2009
  Q: i have a few questions about black holes. I have always wondered what happens to things when they ...
  A: A black hole can form from the compressed core of a very massive star as it goes supernova...the ...
revolution of stars, planet4/16/2009
  Q: why all planet moving around star(For example sun)in same direction? or satellite revolving around ...
  A: Guess I could answer, "Why not?" Solar systems form out of a slowly rotating nebula of dust and gas ...
more about the big bang4/8/2009
  Q: by accepting the theory we will also be accepting Big Freeze,Big Rip,Big Crunch and Big Bounce these ...
  A: You cannot have another "Big Bang" inside an original Big Bang.... if that is what you are thinking, ...
more about the big bang4/7/2009
  Q: by accepting the theory we will also be accepting Big Freeze,Big Rip,Big Crunch and Big Bounce these ...
  A: Well, two of those final destruction methods are now eliminated with the recent discovery that the ...
stars4/6/2009
  Q: My niece majored in astrology; she said turbulence like that of a tornado is one cause of violent ...
  A: I didn't know any college had a major in astrology (fortune telling) ...because that's all astrology ...
astronomical twilight4/2/2009
  Q: I'm interested to know the exact end of astronomical twilight. I read that there are three types of ...
  A: From Canada, our great neighbor to the north....beautiful country up there. Well, No, those are not ...
after the bang matter and anti matter4/2/2009
  Q: after the bang the energy and mass were released (skip to we have protons) i am not really sure ...
  A: One of the unanswered questions still to be determined in cosmology....how was there a very slight ...
how does aproton becomes ahyrdogen4/2/2009
  Q: after the bang the energy and mass were released (skip to we have protons) i am not really sure ...
  A: By definition, a bare proton IS A hydrogen nuclei. So all it's missing to become a neutral hydrogen ...
Choice of telescope4/2/2009
  Q: I'm about to buy my first telescope (for general viewing). It seems that there are a number of ...
  A: In reality, there really is no such thing as an "excellent" general viewing....telescope. You ...
gravity as aforce4/1/2009
  Q: Can you give a detailed explanation about what is gravity in astronomy and why does it exists i ...
  A: Einstein's correct view of gravity replaced Newton's view of gravity. So technically, all of ...
sun's orbit4/1/2009
  Q: Can you give a detailed explanation about what is gravity in astronomy and why does it exists i ...
  A: No, no one in our Universe ever 'runs out of space' because the Universe (the space-time part) is ...
gravity and astronomy3/31/2009
  Q: Can you give a detailed explanation about what is gravity in astronomy and why does it exists i ...
  A: Anything that has mass has gravity. So we, as people do have gravity, but since our mass is small, ...
Bright star in the northeast sky3/21/2009
  Q: My husband has been watching a bright star in the northeastern sky that seems to have several ...
  A: 9 pm local time is Arcturus  (Alpha Bootis) rising in the ENE.Vega (Alpha Lyrae) rises about 2.5 ...
Bright star in the northeast sky3/21/2009
  Q: My husband has been watching a bright star in the northeastern sky that seems to have several ...
  A: Well, you didn't give me a time of night, (the most critical factor) but I'm going to guess it's ...
mars3/17/2009
  Q: when can mars be viewed in our nighttime sky
  A: Anytime it's not within 30 degrees of the sun. Right now Mars rises in the east about 40 minutes ...
very bright star western sky from Northern NY3/15/2009
  Q: Tom, this evening and last evening we saw a very bright star or planet due west of our current ...
  A: Yes, that' the super-bright planet Venus we've been watching in the West...well, SW from December ...
Space travel3/14/2009
  Q: Why can't the Cassini–Huygens space craft travel above or below the Asteroid Belt and the rings of ...
  A: Kelly, Excellent question....I was asking the exact same question about 50 years ago concerning the ...
fireballs3/12/2009
  Q: my name is .I've been in love with the heavens since childhood.On Oct.30 or 31st,1964 in Burlington, ...
  A: That's 45 years ago, my records don't go back that far. What you'd have to do is research the local ...
revolution of Earth around sun3/11/2009
  Q: I know that the orbit of the Earth around the Sun is an ellipes and that the Earth's axis is tilted, ...
  A: Sorry, I guess I wasn't clear on that one. Of course Polaris is relatively "fixed" in our night sky ...
question3/11/2009
  Q: 1.what are some of the biggest breakthroughs you have made? 2. What do you think the merging with ...
  A: So, are you a cop or something?? ;-) Just kidding! (Bad Don Rickles Joke). I had a 5th grade ...
question3/10/2009
  Q: 1.what are some of the biggest breakthroughs you have made? 2. What do you think the merging with ...
  A: You doing a survey? ;-) I'm just an advanced amateur so I don't get involved in research. My only ...
revolution of Earth around sun3/10/2009
  Q: I know that the orbit of the Earth around the Sun is an ellipes and that the Earth's axis is tilted, ...
  A: Yes, the Earth's axis performs a little wobble, similar to what you see when a child's toy top is ...
revolution of Earth around sun3/9/2009
  Q: I know that the orbit of the Earth around the Sun is an ellipes and that the Earth's axis is tilted, ...
  A: Very good question, but the answer will surprise you. Perihelion is on or about January 3/4 at ...
your thoughts3/8/2009
  Q: I have a few questions that I was hoping you could answer, from a real astronomers point of view. 1. ...
  A: 1. Did you use the word "theory" in that first question because you are not an advocate of same? Or ...
red lights night sky3/5/2009
  Q: Last night we witnessed three huge lights horizontally in the sky right above our house. Very low ...
  A: lights at night are the toughest thing to analyze properly...an aircraft headlight is visible for ...
comets3/2/2009
  Q: I have got two questions concerning comets. I would like to know 1. how fast in general do comets ...
  A: The answers to your questions are way to variable to give you a definitive answer. I suggest you do ...
radiation spectrum2/27/2009
  Q: What are ways in which the thermal radiation spectrum of an 8000 k star would differ from a 4000k ...
  A: I generally don't do homework, but look up Stefan-Boltzmann Law ...
planetary observation2/24/2009
  Q: Mr. Whiting, I am currently living in Shenzen, PRC, and for the past two nights I have noticed an ...
  A: Yes, that's the planet Venus, brightest 'starlike' object in our night sky. The 3 day old crescent ...
Telescope sellers2/23/2009
  Q: Do you know any of the websites that sell large size truss tube dobs over 18 inch,I have searched ...
  A: Yes, I prefer very good used equipment so I use Astromart.com and have bought several scopes there ...
Age of the universe2/19/2009
  Q: In an article entitled "Age of the Universe" posted on the website aish.com, MIT scientist Gerald ...
  A: I couldn't find the article on the aish website, but by googling it I found it at ...
Night sky visibility & crowded satellites?2/19/2009
  Q: I'm a bit confused with the recent news item about our "crowded satellite space" (the news started ...
  A: First, the collision was not in the geostationary orbit at 22,800 miles high, it was in what is ...
astronomy2/13/2009
  Q: can you tell me at least 5 facts that can justify that the earth is spherical and not flat.
  A: Yes, I believe that I can come up with five (or more) reasons for that one. 1. The ancient Greeks ...
Atmosphere2/12/2009
  Q: What are the five components of the atmosphere?
  A: I'll assume your components means layers, as there are 5 of them. From the bottom, the troposphere, ...
Global warming and holes in the ozone layer.2/12/2009
  Q: I am working on a project for my Problem Solving class @ ITT-Tech and I need to develop a strategy ...
  A: They don't...see below;  but isn't this more of a meteorological or climatological question?No ...
phases of the moon2/10/2009
  Q: I'm being really dense about understanding some of the phases of the moon. I get the full moon and ...
  A: The moon phase we see on the Earth is strictly caused by the angle in the sky between the sun, ...
States of water on certain planets2/3/2009
  Q: What state does water appear in the form of on Mercury, Venus, and Mars. My guesses: Mercury- ...
  A: First right off the top, planet Earth is the only body in the Solar System that can sustain liquid ...
bright star1/31/2009
  Q: I live in a suburb just outside chicago, and for the past few weeks ive noticed a really bright ...
  A: Yes, we've been getting a lot of questions about Venus in its current apparition, so I suspected ...
Venus--How can we see it?1/31/2009
  Q: Its about 7 PM and I am able to look out and see Venus along with the moon. But Venus is closer to ...
  A: . Obviously, we are NOT facing in the 'wrong' direction..... Well, it's not an instant 180 degree ...
bright star1/30/2009
  Q: I live in a suburb just outside chicago, and for the past few weeks ive noticed a really bright ...
  A: We need the time of night and as far as using the moon as a reference we need what day or date. The ...
Astronomy1/29/2009
  Q: How does a solar eclipse occur?
  A: In very basic and simple terms, the moon simply passes in front of the sun from our vantage point on ...
Eyepiece for a compact telescope1/29/2009
  Q: I just got a tube for Meade's little compact beginner telescope, with 60 mm focal length. My scope ...
  A: I am not familar with that scope (perhaps all experts Paul Wagner is as telescopes are his ...
Steller Astronomy1/29/2009
  Q: I'm a 9th grader at Laguna-Acoma High School and I'm wondering, if i want to become a Stellar ...
  A: I see on the map that you are located about 50 miles west of ABQ out I-40 where there are some small ...
Solar system formation simulation1/28/2009
  Q: Good day sir, I was watching a tv show the other day about our sun and there I caught one ...
  A: Yes, this has already been done with very high speed, massive computers many times ...
using my telescope1/28/2009
  Q: Hey Tom, Can you please direct me as to how to line up my telescope to view the moon? I got it as ...
  A: Unfortunately, later on, once you enter our great hobby the correct way, after you read our website ...
Telescopes1/27/2009
  Q: How can telescopes see back to almost the Big Bang?
  A: Even looking at the night sky with naked eye, you are actually "looking backward" in time. You see ...
solar system1/23/2009
  Q: I am an creationist and do not believe the big bang myth,I do not know if you are but if you are an ...
  A:  Well, we evolutionists are 'creationists' too, but by a process of evolution (as we Christians ...
help me in my 1st telescope1/20/2009
  Q: Finally I'm getting my 1st telescope... I'm confused between celestron 114EQ which lens is about 4 ...
  A: So what do you plan on specializing in your observing? Deep sky objects, lunar/planetary details, ...
The Big Crunch1/19/2009
  Q: with the available facts of the Big coming up sometimes in the future, what do you think will be the ...
  A: The Big Crunch is out. With the knowledge gained in 1998 and beyond with results from Type Ia ...
flag on the moon1/18/2009
  Q: I'm just curious, is there a telescope with which a stargazer could see the U.S. flag which was ...
  A: Yes, I have several friends that live in that nice area, since I am originally from New Castle, PA, ...
flag on the moon1/18/2009
  Q: I'm just curious, is there a telescope with which a stargazer could see the U.S. flag which was ...
  A: Which flag?... as I believe there are 6 of them (all 6 landings). No matter. No, it has to do with ...
Telescope1/13/2009
  Q: What telescope would you recommend for an entry level/hobbyist that is both economical and easy to ...
  A: As you see with your experience with the cheap Bushnell, you have learned a valuable lesson about ...
bright light in the sky like a head light then got smallar and disappeared.1/12/2009
  Q: Me and my cuzin were walkin around the block and we seen this really big bright light hooving in the ...
  A: Light (or lights) at night, especially low on the horizon, are very deceptive and very hard at times ...
earth axis shift1/9/2009
  Q: on 11/17/08 12:13 am central time southern tennessee the stars appeared to shift in the sky was this ...
  A: Sorry, it didn't happen. Something like that would make National News and be in all the ...
earth axis shift1/8/2009
  Q: on 11/17/08 12:13 am central time southern tennessee the stars appeared to shift in the sky was this ...
  A: The stars are always "shifting" in the sky...read that 'apparently moving', because the Earth ...
Science fair telecope1/7/2009
  Q: Exactly how and were should we get the supplies to make the telescope? Can we take a picture of ...
  A: Sorry, but I don't build scopes; I only know how to use them on the night sky. (I pay people to ...
solstices and day lengths1/1/2009
  Q: I understand that the sun "stands still" (apparently) at the solstices. I thought that also means ...
  A: The sun never "stands still" apparently, in our sky. It's apparent motion is the result of the ...
Interesting to study for astronomy.12/27/2008
  Q: i m Donald from Malaysia.(next to singapore) i m really interesting in Astronomy.. Could you let me ...
  A: Astronomy and astrophysics are very difficult professional fields to get into, even for a ...
Our earth12/24/2008
  Q: Just wanted to ask you about our earths energys.How a live is the earth that most people wouldn't be ...
  A: At the cost of perhaps responding to either a metaphysics or an occult question....I can only offer ...
Moon Rotation12/24/2008
  Q: The moon and earth orbit their common barycenter axis, but does the moon also rotate on its internal ...
  A: Yes, it's called synchronous rotation, and is very common for most of the moons in the Solar System. ...
Asteroids12/21/2008
  Q: 000 years and that if an asteroid were detected we could send rockets to change its course. Is this ...
  A: I really don't know what the percentage is (does anyone really know for sure?) but I know we just ...
Asteroids12/21/2008
  Q: 000 years and that if an asteroid were detected we could send rockets to change its course. Is this ...
  A: Yes, I saw that communication too, as we typically read each other's answers. And of course, we all ...
Moon's brightness at edges vs middle12/19/2008
  Q: If I hold up a piece of paper with the sun behind me, it appears darker as I turn it from ...
  A: Your picture of Jupiter doesn't count...that's NOT a full Jupiter as it's only about 98% ...
Asteroids12/17/2008
  Q: I have read alot lately about asteroids and the fact that there is not a system in place to protect ...
  A: Well, I've covered the question as well as I can from a logical and scientific standpoint- it is so ...
astronomy12/17/2008
  Q: which of the following statements is not true. A. a planet outside the orbit of the Earth can ...
  A: .. Answer A is not true (from an observer on the Earth); the true statement is; A planet outside the ...
Asteroids12/16/2008
  Q: I have read alot lately about asteroids and the fact that there is not a system in place to protect ...
  A: I think we should be reasonably concerned, not frightened to death. Besides, what could anyone do ...
Asteroids12/15/2008
  Q: I have read alot lately about asteroids and the fact that there is not a system in place to protect ...
  A: The liberal Democrats back in the 1980's shot down...then President Ronald Reagan's SDI (Strategic ...
This is my cousin's question12/15/2008
  Q: In the solar system revolving around the star is _________.
  A: ....revolving around the star (our sun) is.... 8 major planets, hundreds of thousands of asteroids ...
Halo stars of the Milky Way12/13/2008
  Q: Whiting, can you help me figure out which of the following belongs in the two Catogories of DISK ...
  A: Yes, in reverse order, the older elliptical galaxies have little dust, are older, (read that-redder ...
meteorite light trail12/12/2008
  Q: How long, on avg., is the the light trial emitted by a meteorite (shooting star) as it enters the ...
  A: There are too many variables to determine an 'average' length of a residual "meteor light trail". ...
Astronomy12/8/2008
  Q: 1. What is the rate of retardation of earth movement around sun? 2. Has it been constant or the ...
  A: In astronomy, rotation is movement about an axis; revolution is motion around another body. So your ...
Astronomy12/7/2008
  Q: 1. What is the rate of retardation of earth movement around sun? 2. Has it been constant or the ...
  A: With respect to our orbit around the sun, science currently thinks that its a cycle, not a ...
moon12/2/2008
  Q: how does the moon revolve around the earth but never falls to Earth or gets lost in 'space'?
  A: For the same reason that the Earth revolves around the sun, and Jupiter's moons revolve around ...
Astronomy12/1/2008
  Q: Whiting for your time and sharing your knowledge. My question concerns my 20 year old son. He ...
  A: Well, if he still has aspirations to be a pilot, there are still two alternatives (the latter of ...
jwst11/27/2008
  Q: you've helped me before and always was great. My Q this time: Will the James Webb Space Telescope ...
  A: It's my understanding that the JWST will mainly operate in the infrared on very deep space objects ...
q:reversion of Poles11/22/2008
  Q: I've heard last week from my English literature professor that the North and the South Pole will ...
  A: Partially. Although the magnetic pole flip is certainly not instantaneous, and we're not quite sure ...
Pegasus11/21/2008
  Q: I'm doing a project for science, and we have to study a constellation. My constellation is Pegasus, ...
  A: Yes, Pegasus is a very prominent Autumn constellation (area of sky as are all constellations) which ...
large ring around the moon11/13/2008
  Q: Time viewed: after 10:30pm, Nov. 12, 2008 from Glenville, NY (near Schenectady, NY) with the naked ...
  A: You are seeing the very common 22 degree halo around the bright moon, caused by ice crystals in the ...
Spacetime continumm11/7/2008
  Q: i know less abt this topics .lately some one told me he is for ever as diamonds are for ever .I told ...
  A: The spacetime continuum (not the matter in the Universe, the space and time) could very well ...
Star to East of Orion's Belt10/29/2008
  Q: I know virtually nothing about astronomy. There is a bright star to the East of Orion's belt. I'm ...
  A: Yes, in fact all stars have a name and are part of something larger, called a constellation. If not ...
cluster off Orion's belt10/29/2008
  Q: here is my question. At about 4 in the morning in Portland, Or (Oct 20thish) Orion is in my SW sky. ...
  A: Well, the only other option I see on my star chart is the littlegrouping of stars that make up the ...
A second question10/27/2008
  Q: I know how to point out saturn.but the telescope information i can get here in my country is ...
  A: Focal ratio determines the degree of curvature of the primary mirror. f3 to f6 are considered fast ...
Venus10/27/2008
  Q: Since the atmosphere of Venus is continuously being stripped by the solar winds, does any of it end ...
  A: In reverse order, I would think that the planet is geologically active in part due to the high ...
bit curious10/21/2008
  Q: well thanks
  A: Well, a constellation...Orion, Leo, Scorpius, whatever....is just an area of sky just like a USA ...
Telescopes10/21/2008
  Q: I need help again, I would really appreciate it WHICH WORD BELONGS TO WHICH SENTENCE? 1.The ____of ...
  A: In reverse order, 7. a refracting telescope. 6. light collecting area. 5. grazing incidence mirrors ...
Light observed w/ground telescope10/21/2008
  Q: Which forms of light can be observed well (throughout their wavelength ranges) with telescopes on ...
  A: Our atmosphere is only fully transparent for the visible light, and the radio portion of the ...
Moon in ralationship to the earth10/12/2008
  Q: Is there a chart where I plan where and when there will be a full moon. What do I need to use it. ...
  A: U.S. Naval observatory has a website for all the phases and their dates and times in UT (remember to ...
draco constellation10/7/2008
  Q: do you know the full name of the constellation draco? ANSWER: Hi Caro, That is it's full name, ...
  A: Well, the number of major stars in Draco depends on what you consider your limiting magnitude. My ...
draco constellation10/7/2008
  Q: do you know the full name of the constellation draco?
  A: That is it's full name, precisely Draco, the dragon (in old days when men pictured animals and men). ...
astronomy10/3/2008
  Q: why might a star show evidence of containing titanium oxide, but no evidence of hydrogen? Thanks ...
  A: Name here is Tom, not Paul. Paul is another allexpert. In any case, with stellar spectra, which is ...
Gamma ray bursts9/30/2008
  Q: I am trying to find a cheap way to record the radio waves emitted by gamma ray bursts or even better ...
  A: Sorry, there isn't any way to do it. Most UV, all X rays and Gamma radiation doesn't make it thru ...
Astronomy9/30/2008
  Q: It takes light about 1 sec to reach Earth from the Earth's moon.How far away is the moon from the ...
  A: It's more like 1.3 seconds, one way. I take the average distance to the moon, 238000 miles and ...
Big Bang9/29/2008
  Q: Tom: I watched History Channel last night, and saw that Big Bang was proven in 1965 by Princeton ...
  A: Yes, the discovery of the remnant radiation by Arno Pensias and Robert Wilson in 1965, who ...
light in the sky9/29/2008
  Q: I was in my backyard, looking at the night sky as i always do, and i saw what looked like a shooting ...
  A: While the fireball in question may have looked very close and bright, most of those meteors are ...
Coordinates etc....9/28/2008
  Q: yesterday i asked the follwoing" How can we calculate the altitude of the Sun along the meridian on ...
  A: Sorry, I mis-interpreted your question, as I thought you wanted me to do your homework. Yes, you ...
light in the sky9/27/2008
  Q: I was in my backyard, looking at the night sky as i always do, and i saw what looked like a shooting ...
  A: Well, I wasn't there, but my best guess is what you guessed, a meteor with a terminal burst. A ...
calculating the moons gravitational force9/23/2008
  Q: Is it true that the pull of the moon is greater than that of the sun on water. Does it have the ...
  A: Yes, on water, or any other particle of Earthly mass, because it's closer. What's the formula for ...
star maps9/22/2008
  Q: Do you know which is the best book on detailed but clear star charts, I have one but its kind of ...
  A: The two we recommend to our beginners are either: 1. Cambridge Star Atlas 2000.0 for about $25-30 or ...
moving bright white light9/21/2008
  Q: I saw something last evening at approx 2030 hrs. I was located on the ground about 20 statute miles ...
  A: Yes, you were seeing the International Space Station (ISS) going over top of you....we were outside ...
lens9/21/2008
  Q: I bought a telescope at an auction, it's a Jason 480 and when I got it home the small lens was ...
  A: There are thousands of telescopes on the free market; I am not familar with this series, but as a ...
Eclipses9/11/2008
  Q: Suppose that instead of being inclined to Earth's orbit around the Sun, the Moon’s orbit was in the ...
  A: The minimum number of solar eclipses each year is 2. (And also this is the average number, although ...
Eclipses9/11/2008
  Q: Suppose that instead of being inclined to Earth's orbit around the Sun, the Moon’s orbit was in the ...
  A: You would have a solar eclipse at each new moon, or 12 per year. You would also have a lunar eclipse ...
TELESCOPES :)9/10/2008
  Q: Mr. Whiting, I'm looking to buy a first telescope, likely an 8 or 10 inch Dobsonian to use ...
  A: In addition to your mentioned air current problem (plus a 'warm' mirror much greater than the ...
11yr old science homework9/10/2008
  Q: What is the furthest object known,that could be seen with a telescope? ANSWER: Hi Jackie, Depends ...
  A: Well, to an astronomer, "power" is a relative term. It usually means magnification, but believe it ...
11yr old science homework9/10/2008
  Q: What is the furthest object known,that could be seen with a telescope?
  A: Depends on what kind of telescope you are thinking of, and what you mean by "seen"....photographed ...
migrating planets9/1/2008
  Q: I read about Uranus and Neptune forming closer to the sun and then migrating outwards past Jupiter ...
  A: Ok, Yes, you are correct. I got mixed up in the confusion of higher/lower, bigger/smaller orbit, ...
Gravitation8/31/2008
  Q: My question is about the Gravitational field around the objects. I have two questions, 1. What will ...
  A: Yes, out in deep space, the Earth would still have it's gravity because it's all based on the mass ...
Gravitation8/30/2008
  Q: My question is about the Gravitational field around the objects. I have two questions, 1. What will ...
  A: Since you are studying Einstein's General Relativity, why are you then still using the word 'force' ...
migrating planets8/29/2008
  Q: I read about Uranus and Neptune forming closer to the sun and then migrating outwards past Jupiter ...
  A: Yes, the new evidence suggests that several major planets may have originally formed in closer to ...
vacuum energy8/28/2008
  Q: I've been reading about vacuum energy density which can expand space. I think it is the same as dark ...
  A: Yes, I belive the two terminologies are identical, see ...
Space expanding?8/21/2008
  Q: I was reading a book yesterday and it was talking about how space is expanding and we can tell that ...
  A: Well, you're combining some real science (stuff that's testable, observable, we can develop ...
night sky8/19/2008
  Q: Sir, thank you very much for your reply. I did not know I could see red stars with naked eyes (I ...
  A: Yes, that checks out almost exactly; at that time, 9:15 pm local time, on December 29-30, 2007, the ...
Ra and Dec8/18/2008
  Q: I also have a program for the pc wich show deep sky objects and gives ther Ra and Dec of them but ...
  A: At the cost of another bad rating, I'll tell you what to do....Yes, you want to purchase a fairly ...
night sky8/18/2008
  Q: Sir, at the end of 2007, let's say December 29 or 30, I went out on a boat trip to the ...
  A: Unfortunately you didn't supply me with a compass direction (due East?) or a time of the night ...
Ra and Dec8/16/2008
  Q: I also have a program for the pc wich show deep sky objects and gives ther Ra and Dec of them but ...
  A: FOLLOW UP: It doesn't matter if you have a goto scope or not; You stated that you are a beginner in ...
Space communication7/31/2008
  Q: Next time I will post my follow up question using the option you said. I have an other query about ...
  A: Yes, yes, and yes. (And please see my follow up to your previous message, about the Vikings, ...
Space communication7/31/2008
  Q: Next time I will post my follow up question using the option you said. I have an other query about ...
  A: Yes, radio waves are photons at different wavelengths compared to visible light photons, but they ...
Scopes7/30/2008
  Q: I am not that old. I am only 17 years old, but I find space very interesting. I have this Telescope ...
  A: No, actually you don't need anything except your eyes and a good star chart (map of the sky- just ...
Scopes7/30/2008
  Q: I am not that old. I am only 17 years old, but I find space very interesting. I have this Telescope ...
  A: Odds are pretty good that it is a nearly useless scope; The D stands for diameter of your mirror or ...
Bright Moving Light7/29/2008
  Q: Last Friday, 7/25/08, around 9:45 am, I saw a small, bright circle of light. At first I thought it ...
  A: Unfortunately, you didn't state your location or the direction of travel of the object, or how high ...
Milky Way and more7/26/2008
  Q: Tom: I have not written to you before, but I am very impressed by your previous answers. And since ...
  A: Your question is not dumb at all, in fact a very intelligent one, logically. Yes, you are exactly ...
signals7/26/2008
  Q: Your answers are so helpful and easy to understand so i was wondering if you would answer another of ...
  A: BTW thanks very much for the nice comments and ratings. Well, on this one I'm not quite sure what ...
Planet or Star?7/24/2008
  Q: I live near Clark and Addision in Chicago Illinois, ZIP 60657. Lately, I've noticed an extremely ...
  A: Your star chart is for 7/24 at 22:50 Universal Time (time in England) so that's your CDT time at (-5 ...
Planet or Star?7/24/2008
  Q: I live near Clark and Addision in Chicago Illinois, ZIP 60657. Lately, I've noticed an extremely ...
  A: Yes, you are correct, it's the planet Jupiter at -2 magnitude, just past opposition now (as we just ...
Cosmological constant - Big bang expansion7/23/2008
  Q: The General theory of relativity was written based on a static universe without taking the big bang ...
  A: Realize right off the top that just because Albert Einstein believed in a static Universe, that does ...
optical telescopes7/22/2008
  Q: I was wondering if optical telescopes detect light from Earth sources (interference) like radio ...
  A: Not directly, but indirectly, it's called "light pollution".... Lightglow from our cities reflect ...
large/small telescopes7/21/2008
  Q: What is the difference between large and small radio telescopes? do big telescopes detect weaker ...
  A: In reverse order, (2); all radio telescopes are like normal radio receiving antennae in that all ...
steering in a vacuum7/21/2008
  Q: If it is a vacuum in space how are rockets propelled through, or turned in space?
  A: Actually rockets perform at their best in space as there is no atmospheric friction to slow them ...
Black Holes7/21/2008
  Q: If the Sun were to suddenly become a black hole (I understand it can't) what would happen to the ...
  A: Actually, nothing. The mass of the orginal sun is still there, so gravity would act as normal. In ...
large/small telescopes7/20/2008
  Q: What is the difference between large and small radio telescopes? do big telescopes detect weaker ...
  A: Yes, bigger radio telescopes can receive weaker signals than the smaller ones. Yes, both detect ...
wr 1047/19/2008
  Q: Yeah i know this may be a complicated question to answer. But, I'm wondering about the wolf rayet ...
  A: Well, I think the time frame could be from today and for the next 100,000 years, as opposed to ...
wr 1047/18/2008
  Q: Yeah i know this may be a complicated question to answer. But, I'm wondering about the wolf rayet ...
  A: You know, ever since you brought this up to my attention, I was thinking almost the same line, a ...
wr 1047/18/2008
  Q: Yeah i know this may be a complicated question to answer. But, I'm wondering about the wolf rayet ...
  A: I really don't think anyone knows for 100% certainty. That article, along with the rest of them that ...
wr 1047/18/2008
  Q: Yeah i know this may be a complicated question to answer. But, I'm wondering about the wolf rayet ...
  A: Oh, part 3 of your question...that's easy. No one really knows..... whether it will be (at some ...
wr 1047/18/2008
  Q: Yeah i know this may be a complicated question to answer. But, I'm wondering about the wolf rayet ...
  A: Well, there are a lot of variables here, so don't lose any sleep over it. First, the distance from ...
martian polar caps7/11/2008
  Q: Okay, so what's the big deal about sending a robotic "geologist" to Mars to see if there's ...
  A: Actually, it's not a very good bet at all! I wouldn't put any money on it. Reason: the liquid water ...
astronomy7/10/2008
  Q: what determines planets distance from the sun?
  A: Using Kepler's Third Law; Period (in Yrs) squared = distance (in AU) cubed. So it's the planet's ...
Age of a star6/17/2008
  Q: I am a grade 7 student and need to know all about measuring age of a star.
  A: We don't really measure the age or length of life of a star, but we can "estimate" it by various ...
ordering for a telescope6/15/2008
  Q: i belong to Pakistan where is the technology is so costly as compare to the foreign countries. now i ...
  A: Telescopes should never be purchased by power. We already know that the maximum effective ...
core temps.6/13/2008
  Q: How does the temperature in the core of a star affect the star's lifespan and luminosity?
  A: With a single star, ALL physical characteristics of the star, core temperature, surface ...
long range nature viewing6/10/2008
  Q: can astronomy telescope be used for long range nature viewing?
  A: Yes, I've done it. The image is inverted in an astronomical telescope, but that's the only problem. ...
Jason Comet Chaser Telescope6/9/2008
  Q: I am hoping you can provide me with some info. or at the very least direct me to where I might be ...
  A: I have no idea, but I can give you a rough estimate word picture... in general terms. Back then, 40 ...
Moon Phases & Constelations6/6/2008
  Q: I am becoming more and more interested in astrological gardening. I know which moon phase we are in ...
  A: I think it would be called "astronomical gardening", not "astrological". That's a "dirty" word among ...
Help Please!6/4/2008
  Q: I have bought a SkyQuest XT8. I bought the XT8 that came with the IntelliScope adapter and I was ...
  A: Yes, here are 2 Riverside Clubs you can look into, to join, at ...
Help Please!6/3/2008
  Q: I have bought a SkyQuest XT8. I bought the XT8 that came with the IntelliScope adapter and I was ...
  A: Yeah, like I said, you have to learn your constellations...you have yet to mention that you even ...
Help Please!6/3/2008
  Q: I have bought a SkyQuest XT8. I bought the XT8 that came with the IntelliScope adapter and I was ...
  A: All your problems would be solved if you would have just followed my recommendations on our club ...
PRECESSION OF THE EQUINOX5/26/2008
  Q: If the earth had a zero tilt, how would that affect the precession of the equinox. Is there any ...
  A: Well yes, of course, but YOU yourself strictly specified a perfect zero axial tilt forever, under ...
PRECESSION OF THE EQUINOX5/26/2008
  Q: If the earth had a zero tilt, how would that affect the precession of the equinox. Is there any ...
  A: Since the Earth Axis' precession is conical around a circle, while maintaining it's current 23.5 ...
Global Warming5/10/2008
  Q: Identify some sources for finding the data necessary to calculate the quantities that you think are ...
  A: Sorry to ruin your liberal/strictly political...for getting lots of taxpayer funding only..."party", ...
accretion disks4/30/2008
  Q: Could you please answer thisWhy doesn`t matter (from a star e.g.) fall directly in a black hole, but ...
  A: Yes...look at it this way. If a comet from the outer Solar System was to suffer an orbit change, ...
school project4/30/2008
  Q: I am doing a school project and i need you to answer a few questions. 1. Do you believe in UFOs? ...
  A: Ok, thanks for the nice response....and since you are a gifted teacher, you are also free to use our ...
Big Bang Theory4/30/2008
  Q: Hey, I was just wondering: Do you have any information on the Big Bang Theory?? How did it created ...
  A: But you are, in a way, correct...this is a very nice planet. Look at it this way, WE hit the ...
Big Bang Theory4/30/2008
  Q: Hey, I was just wondering: Do you have any information on the Big Bang Theory?? How did it created ...
  A: Well, as yet no one knows what caused it, or how it came about, but we're working on it. I'm ...
school project4/17/2008
  Q: I am doing a school project and i need you to answer a few questions. 1. Do you believe in UFOs? ...
  A: FOLLOW UP: Hi again Nathaniel,, Thanks for the very nice comments. Just thinking that if you are ...
Planes of Orbit - Equator(s)4/6/2008
  Q: Can you explain the quote below? It seems to relate that the orbit of the earth is below a plane ...
  A: the question has not much to do with astronomy, more to do with weather. Since it's a fictional ...
planetary motion4/6/2008
  Q: I have been driven crazy trying to determine the difference between libration and nutation. I hope ...
  A: Libration is an equatorial oscillation (or east-west) of a rigid body. Usually both of these terms ...
bright orange moving lights in night sky4/5/2008
  Q: We witnessed 4 bright orange light moving across our night sky at about 11.30pm tonight. They ...
  A: .. The Plutonians are angry that we downgraded their body from planet status to asteroid ...
Telescopes4/2/2008
  Q: Tom! I read a question you annswered about telescopes, so here goes. I have loved telescopes, the ...
  A: I meant that 30-40 inch scopes are the largest "PORTABLE" scopes around, that observers can use ...
Astronomy?4/2/2008
  Q: I did see the funny side. I'm sorry if my idea was silly. However, It has had recieved some positive ...
  A: Oh, I wasn't knocking the theory...I was just simply suggesting that astronomy is not the correct ...
Telescopes4/1/2008
  Q: Tom! I read a question you annswered about telescopes, so here goes. I have loved telescopes, the ...
  A: Honestly, no one "looks" through the Keck 10 meter, or any other very large observatory telescope. ...
Galaxy blind spot?3/31/2008
  Q: I’m sure I must be missing something. Last night I was coming to grips with a star chart on my ...
  A: Yes, the dust and gas lanes in our Galaxy provide an effective block in visible light for distant ...
Telescopes3/27/2008
  Q: Tom! I read a question you annswered about telescopes, so here goes. I have loved telescopes, the ...
  A: We typically recommend to our newer members to plan on spending around $500 or thereabouts on their ...
Flat Galaxies and Solar Systems3/27/2008
  Q: If rotational velocity controls the shape of galaxies and solar systems, why doesn't it effect ...
  A: I think we are still studying the initial formation of galaxies, especially the very first ones ...
Flat Galaxies and Solar Systems3/27/2008
  Q: If rotational velocity controls the shape of galaxies and solar systems, why doesn't it effect ...
  A: I guess the standard traditional answer would be, they ARE different....atoms behave at very close ...
telescope3/24/2008
  Q: This a simple question, and perhaps not terribly interesting, but I'm trying to determine the value ...
  A: No. Silver, white, doesn't matter; here is your scope for $45 used, but probably a newer model, at ...
telescope3/24/2008
  Q: This a simple question, and perhaps not terribly interesting, but I'm trying to determine the value ...
  A: Unfortunately these rickity 60 mm (about a 2.3 inch lens up front) are good for the moon and reading ...
space and health3/23/2008
  Q: A person infected with virus sent to space.Is it true that they will be multiplied in number making ...
  A: Not right of the top of my head, no. We aren't traveling around the Universe at 90% light speed as ...
distance3/19/2008
  Q: What is the closest distance to the sun during Earth's orbit?
  A: Perihelion is 91,402,725 miles (147,098,074 Km) on or about January 4 + or - one day. (closest) ...
How fast can we run on the moon3/12/2008
  Q: Given that the moons gravity is 1/6 of what it is on earth will we be able to run faster on the ...
  A: Good thing you said, without a spacesuit inside a closed dome space-camp, because the spacesuits are ...
space and temp3/12/2008
  Q: How much temperature is there in the space?
  A: The temperature in outer space, well away from the heat of any star (like the sun) is about 3 ...
space and health3/12/2008
  Q: A person infected with virus sent to space.Is it true that they will be multiplied in number making ...
  A: This is more a medical or biological question, as space (or location) would have nothing to do with ...
planet3/11/2008
  Q: why is Venus a brighter object in the sky than mars?
  A: Venus is bigger, it is closer, and it's more reflective than Mars because of the perpetual cloud ...
Thea or Theia3/7/2008
  Q: According to the giant impact theory, the early Earth was hit by the planet Thea (Theia). The two ...
  A: Before the moon landings, several theories accounted for our moon. 1. large asteroid captured by the ...
Terraforming Mars3/6/2008
  Q: What is a realistic goal for terraforming another planet or moon? Also, in your opinion will we ...
  A: Well, the reward would be another Earth-like planet in our Solar System...By "goal" do you mean a ...
White Holes3/6/2008
  Q: To Whom it May Concern, Do you think there is any way a white hole could actually exist? ...
  A: No. Not from a gravitational standpoint. The term came up (erronously) many years ago when ...
astronomy3/4/2008
  Q: hi what colour are stars? and what can change colour and shape?
  A: Stars come in all colors....from deep blue to deep red, with every color inbetween. EVERY star has ...
Galxies?3/4/2008
  Q: I can't seem to find the answer for theys questions and was hoping you could help me with them. 1. ...
  A: Although it appears as a homework question, we're having a slow day so I'll be glad to help you. 1. ...
Calculating stellar magnitude3/4/2008
  Q: I have recently looked at a book that shows how much / little the intensity of sunlight is on other ...
  A: On Second Thought, I can only use the inverse square law, where if you double the distance, the ...
RA tracking using drive motor3/1/2008
  Q: I have a F8 Catadioptric Newtonian on a Equatorial mount. The clock drive motor is an EQ3 single ...
  A: I've never owned a motorized scope, but I have read that IF you're getting north or south eyepiece ...
Astrophysics with BA2/28/2008
  Q: I've been considering attending St. John's College, which is based on a great books program and ...
  A: Tough decisions....we all had to go through it our senior year of highschool...what to do? Since the ...
dobsonions2/27/2008
  Q: I'm looking at a tracking platform ad on Astro-Mart, hoping it will hold my 14.5" Antares. The owner ...
  A: I also used to have a 13.1 Coulter and it weighed in at about the same, around 70-80 lb. counting ...
explosions in space2/27/2008
  Q: I saw the shoot down of the ailing spy satellite with a missile. There was an explosion. I was ...
  A: Well, there are collisions and explosions...two types of explosions can occur...one is when there is ...
Colorful Object2/26/2008
  Q: On Feb. 25th in Homer, AK. Viewing the sky, I saw an object in the sky with the naked eye that was ...
  A: Unfortunately you don't give me a time of night, nor a direction. But I do know that it had to be a ...
Oxygen gas giants2/25/2008
  Q: Tom, Would it be possible for a hypothetical gas giant to have a habitable oxygen layer or band as ...
  A: I did not see the movie in question, but no, with gas intermixing, Boyles Law, Charles Law, the ...
questions2/22/2008
  Q: I have a few questions: 1. How can using different portions of the electromagnetic help us with ...
  A: Hundreds of years ago, Galileo didn't know that "light" came in with differents forms....different ...
couple of questions2/22/2008
  Q: 1. how does an atom produce a photon of light and what causes these photons to vary for any ...
  A: The easiest explanation...all atoms, the electrons going around them, the electrons' orbit have ...
galaxy naming2/13/2008
  Q: how are the galaxies and celestial objects named. in 'm41' what does 'm' and '41' represents. ...
  A: Sorry but M-41 is not a galaxy...it is an open star cluster in Canis Major (Big Dog) about 4 degrees ...
about Planet & galaxy2/11/2008
  Q: actually i have two questions need to be answered... 1- can you tell me how the space created and ...
  A: I'm not much into either archeo-astronomy or archeo-theology. I think we attribute way too much ...
about Planet & galaxy2/11/2008
  Q: actually i have two questions need to be answered... 1- can you tell me how the space created and ...
  A: No. "THEY" may have mentioned it or even suggested it, but they couldn't PROVE it..see below. Until ...
tides and the moon2/11/2008
  Q: I have a third grade girl wanting to do her science experiment for school on "how does the moon ...
  A: FOLLOW UP: Thanks for the nice comments..... Oh, I was exploring the internet for anemometer ...
about Planet & galaxy2/10/2008
  Q: actually i have two questions need to be answered... 1- can you tell me how the space created and ...
  A: The current view is that all space and time and energy and matter all came into existence 13.7 ...
Sunset2/4/2008
  Q: Tom, Hello... I am getting married October 11th and I am trying to set the time. The wedding is ...
  A: Congratulations....also I notice the similarity to our names. Ok, my Skyglobe program shows a ...
Moon Phases2/4/2008
  Q: I was in Costa Rica mid january 08 and saw a quarter moon in the evening in the western sky. It was ...
  A: Yes, you are talking about the angle that the quarter (or crescent) moon makes with the closest ...
meteoroids1/29/2008
  Q: We all fear of falling meteoroids. So why don't we send up rockets that will follow these meteoroids ...
  A: ... Great suggestion, and I'm sure that NASA has already considered doing this, along with high ...
astronomy1/28/2008
  Q: Which of the following wavelength regions cannot be studied with telescopes on the ground? A. ...
  A: You will only find radio, visible light, and infrared (heat) telescopes on the surface of the Earth, ...
(some astronomy questions)1/26/2008
  Q: In which direction on the horizon does the sun appear to rise on July 4 in New York State? Which ...
  A: We don't normally do homework questions, but most of these are fairly simple, and I think you just ...
Earth's tilt1/26/2008
  Q: If Earth's tilt increased from 23.5 degrees to 33.5 degrees, what would the result be?
  A: Believe it our not, these hypothetical astronomy questions are virtually worthless.....tell your ...
Existance of Stars 6000+ light years away1/26/2008
  Q: Although they may have existed at one time, is there any way to prove that stars that are more than ...
  A: I have pulled this question from the question pool, so please don't penalize me for time...I think ...
Question about the Earth's rotation1/24/2008
  Q: What would occur on a planet that rotated 10 degrees per hour West, revolved 2 degrees per day West, ...
  A: To be honest, these hypothetical questions are a waste of time....tell your instructor (and your ...
SIPS 1259-43361/20/2008
  Q: I am interested in the star SIPS 1259-4336. Does anyone know any details about this star yet and ...
  A: I researched it on Google, probably like you did, and I can find no current information on that ...
sunrise / sunset1/15/2008
  Q: Mr Whiting After Dec 21, why is the extension of daylight in the eve not equal to the ext of ...
  A: It doesn't work that way...like 60 seconds on each end AT the same time.... The disparity is caused ...
sunrise / sunset1/15/2008
  Q: Mr Whiting After Dec 21, why is the extension of daylight in the eve not equal to the ext of ...
  A: If we were in a perfectly circular orbit around the sun, then earliest sunset/latest sunrise would ...
Space Phenomenon1/14/2008
  Q: Tonight me and two of my friends were stargazing and saw about 5 shooting stars scattered across the ...
  A: Yes, well that 30 second after-trail confirms my explanation, as generally it's only the very bright ...
Space Phenomenon1/14/2008
  Q: Tonight me and two of my friends were stargazing and saw about 5 shooting stars scattered across the ...
  A: Yes I can, because a very similar thing has happened to me also. What you saw (or didn't see, ...
Career Shift1/14/2008
  Q: I am now working as a Quality Engineer(24 years) after having done my engineering in Mechanical ...
  A: Well, I am not familar with India, but I believe one of our allexperts is from India and works there ...
The Universe and the Neurons1/12/2008
  Q: I am a researcher looking into science and religion and during my studies I have found out that ...
  A: Actually, wouldn't ANY filamentary structure (some spider web formations, microscopic views of foam ...
Meteors1/11/2008
  Q: I was wondering, since most matter in the solar system seems to be revolving around the sun in the ...
  A: Actually, most of the matter in the Solar System is IN the sun, 99.86% of it in fact. Yes, the ...
time travel1/11/2008
  Q: is time travel possible?are scientist from nasa working on this?if it was possible do you thing ...
  A: Under normal circumstances, time travel is not possible. (We have to keep science fiction separate ...
5th grade science1/10/2008
  Q: What would happen if only gravity were operating on Earth? and What do you think would happen if ...
  A: What do you mean by the Earth "not moving"? Not rotating, or not revolving around the sun? Actually ...
Discovering Extrasolar Planets1/9/2008
  Q: Whiting, One of the most commonly used methods for finding planets is observing the wobble of a ...
  A: Actually, the "wobble" method (side-to-side motion) is the least used now. The most accurate and ...
3rd grade constellation project1/8/2008
  Q: I'm planning a project with 3rd graders so they can learn a few constellations. You may have seen ...
  A: Three of my favorite areas (And they are AREA's now since 1930 when the IAU - International ...
Aliens1/5/2008
  Q: Is there a such thing as Aliens? thx by.
  A: The real answer is.....we don't know....as yet. The textbook answer is... probably, BUT...at the ...
astronomy & atmospheric physics1/2/2008
  Q: We observe stars to scintillate through our naked eye (aperture about 5mm). I recorded Sirius with ...
  A: No. Scintillation is not dependent on aperture....the same "guy" (jet stream, moisture, dust, etc) ...
Martian atmosphere12/31/2007
  Q: I understand Mars has winds at the surface approximately 400 km/hr. It also has a surface pressure ...
  A: You would barely feel it as a gentle breeze, just before you die, as the liquid water in your body ...
Flammable Planets?12/30/2007
  Q: I know our Sun burns Hydrogen, and that Hydrogen is a very flammable gas. My question is, if ...
  A: Yes, they are indeed, fantasies, so I'll set you straight on why all that doesn't happen, and can't ...
asteroid belt12/28/2007
  Q: is the asteroid belt really a 'belt' with a singular elliptical orbit or does it spherically house ...
  A: I don't quite understand the question....mankind isn't "waiting" for anything. We don't have to go ...
asteroid belt12/27/2007
  Q: is the asteroid belt really a 'belt' with a singular elliptical orbit or does it spherically house ...
  A: Well, it's certainly not fully spherical, but neither are they all in one plane on the ecliptic. ...
bright star/planet below orions belt12/21/2007
  Q: I live in las vegas and beneath orions belt, i.e. toward the horizon, at 11:45 pm on Nov 16, 2007 I ...
  A: Well, it's a big jump from the Dog Star to a scope. Reason being that in our great hobby of ...
Solar System Creation12/19/2007
  Q: I just started reading Carl Sagan's "Shadows of Forgotten Ancestors" and he writes that solar ...
  A: Actually, both. I think we know of only two or three extra-Solar stars that have more than one ...
Solar System Creation12/17/2007
  Q: I just started reading Carl Sagan's "Shadows of Forgotten Ancestors" and he writes that solar ...
  A: Sorry but I've never read Sagan....while he was a great promoter of astronomy to the general ...
sun and stars12/16/2007
  Q: how are auroras formed? , what is a solar spectrum? why do stars twinkle? and why does some stars ...
  A: Aurora, or northern lights, are created when high energy charged particles come in from the sun, ...
How big does a 'body' have to be to be considered a planet?12/14/2007
  Q: I am doing a project on Space for school, and all of my class (and myself) have been wondering - How ...
  A: FOLLOW UP: By "Sweep Up"...they mean...clear out the neighborhood of other bodies, so that you are ...
The ring around moon12/13/2007
  Q: I often use to observe the sky with naked eye and with a telescope. Amateur I should say. While ...
  A: Yes, your analysis is quite correct, relating the ring (or halo as we generally call it, if it's ...
seasons12/2/2007
  Q: I am evaluating a children's book about the spring equinox. I believe and illustration contained in ...
  A: No, you don't have to scan it...you are absolutely correct as they have the summer and winter ...
Speed of eyesight?12/1/2007
  Q: Greetings from the Jamestown, NY area, Tom. I have a question for you. Does eyesight move at the ...
  A: our neighbor, I've seen this same question before, asked of allexperts astronomer "Heather"....and ...
MOON'S ORBIT11/30/2007
  Q: 1.DOES THE MOON ORBIT DIRECTLY OVER THE EARTH'S EQUATOR OR IS THE PLANE OF THE ORBIT TILTED? 2.IS ...
  A: No, the moon's orbit is not directly over the Earth's equator and neither is any other body in the ...
Max Wilhelm Meyer11/30/2007
  Q: Greetings from digital outerspace. I am filmmaker currently working on a short film. I was ...
  A: Oh, I care less about social conditions, homosexuality, and stuff like that....I only watch the ...
Max Wilhelm Meyer11/30/2007
  Q: Greetings from digital outerspace. I am filmmaker currently working on a short film. I was ...
  A: Well, I just googled Max Wilhelm Meyer at ...
sunset11/26/2007
  Q: Why does the sun set in Fla. later than in N.J.?
  A: When? Now in November, or in June? It's different. Local Sunset time is based upon your location ...
Speed of the Earth11/19/2007
  Q: Astronomers tell us that with the new telescopes they can see events that occurred 1 billion years ...
  A: ... Hmmm....very interesting question...very good question too....let me think about that one for a ...
How are orbits formed?11/18/2007
  Q: I have always been so much interested to know so much about the universe, infact all about the ...
  A: In reverse order, Yes, the bodies in orbit around another body are moving so fast that they do not ...
How are orbits formed?11/18/2007
  Q: I have always been so much interested to know so much about the universe, infact all about the ...
  A: Actually the moon does fall "around" the Earth, and the Earth does "fall" around the sun.....but for ...
Astronomy11/17/2007
  Q: What is the distance between plant Mercury and planet Venus?
  A: It varies, depending on which side of the sun the two planets are on..but I assume you mean what is ...
bright star/planet below orions belt11/17/2007
  Q: I live in las vegas and beneath orions belt, i.e. toward the horizon, at 11:45 pm on Nov 16, 2007 I ...
  A: Yes, that's the brightest star in our night sky, the Dog Star Sirius, at -1.5 magnitude. And that's ...
Radio Telescopes11/6/2007
  Q: What space exploration problems have radio telescopes helped with and what have they helped to ...
  A: Well, I'm not into radio telescopes, being strictly naked eye visible light, but I do know a little ...
Galactic Alignment11/2/2007
  Q: I've heard the talk of winter solsice sun aligning with our galactic center. It's often mentioned ...
  A: Yes it does, Joe...I stand corrected....it could make sense in the long run...I'm just not sure I ...
Galactic Alignment11/1/2007
  Q: I've heard the talk of winter solsice sun aligning with our galactic center. It's often mentioned ...
  A: Oh, sorry, guess I did misunderstand your question.... Well, I am aware of the discovery of Iridium ...
stars or galaxies?11/1/2007
  Q: i live in the midst of chicago, so you can imagine the limited viewing conditions i have. in the ...
  A: Yes, 3 are planets, and all the rest are....stars, nearby stars in fact, relatively speaking, since ...
Galactic Alignment11/1/2007
  Q: I've heard the talk of winter solsice sun aligning with our galactic center. It's often mentioned ...
  A: Yes. It's all a bunch of hogwash. (You've been reading too many of those "National Enquirer" type ...
star cluster, gravity10/31/2007
  Q: What keeps star clusters gravitationally stable? Star clusters don't appear to rotate and they are ...
  A: You really mean "revolve" don't you....not "rotate"...see the PS at the very end of this ...
A question about stars.10/29/2007
  Q: Whiting, For school we are conducting research about stars. We have already found out that in ...
  A: We need to separate your question into 2 parts the dust ......and the gas. Well, for starters, you ...
white holes10/29/2007
  Q: How are white holes formed,and where can they take you? I saw them on t.v. with my dad.(This is my ...
  A: .... I answered a similar question 3 years ago, but it was about black holes, worm holes, and white ...
amateur astronomer10/29/2007
  Q: I've had a telescope for a while now (which is probably cheap because I got it for free) and have ...
  A: Well, I think the best way I can help you is to cut and paste off our club website, "Tom Whiting's ...
building a telescope10/28/2007
  Q: Do you think you could give me some direction on building a 10 to 12 inch telescope? Where should I ...
  A: but unfortunately, I don't build telescopes, I only know how to USE one. So could you please ...
science/space10/22/2007
  Q: why doe shooting stars shoot?
  A: The terms "shooting star" and "falling stars" are obsolete now. Back a few centuries ago, men did ...
Astronomy9/27/2007
  Q: According to Kepler's 3rd Law, which of the following planets has orbited the Sun the least number ...
  A: A and B are obviously false. C is close, but not completely accurate. My answer would be... D. We ...
Astronomy9/27/2007
  Q: According to Kepler's 3rd Law, which of the following planets has orbited the Sun the least number ...
  A: Kepler's 3rd law states that the Period Squared (in Years) is equal to the distance cubed (in ...
planets9/24/2007
  Q: I remember when I was in school that they said if you saw a planet in the sky it would fliker red ...
  A: Actually, it's the reverse!!....it's the brighter stars that our atmosphere causes to twinkle, ...
Astronomy9/23/2007
  Q: Stars twinkle, because of earth's atmospheric disturbances, as the starlight passes thru the ...
  A: Actually, the planets and moon will scintillate (twinkle) too, under very disturbed atmospheres, ...
How many amateur astronomers9/18/2007
  Q: How many amateur astronomers are there in the united states? in the world? Thanks for trying to ...
  A: No, I've never seen it either....although I've never really researched it either. Well, first off, ...
Astronomy9/6/2007
  Q: Do people in other parts of the world see the same constellations,asterisms,lunar phases,lunar ...
  A: From your question, we have to separate out the standard viewing items of the ...
Cloud ring surounding moon8/30/2007
  Q: today , the full-moon day , I am seeing a strange phenomenon , the moon is full and cloud is ...
  A: Yes, that is the standard 22 degree halo around the bright moon (it also happens around the sun ...
Cloud ring surounding moon8/29/2007
  Q: today , the full-moon day , I am seeing a strange phenomenon , the moon is full and cloud is ...
  A: Yes, this is a very common event. It's not an optical illusion. It's called a corona around the ...
astronomy fest8/26/2007
  Q: sir, we are students of iit india and we are planning to include astronomy as a part of our ...
  A: All of the regional and national star parties (or star fests) I've been to are mainly based on night ...
General astrophysics/astronomy for an "engineer-type"8/21/2007
  Q: I have a plethora of questions regarding astronomy so I would appreciate links to good web sites or ...
  A: Wow! A truly monumental question, and task for me; one that another engineer (myself, metallurgical ...
truss dob8/6/2007
  Q: I have many questions, especially about cosmology & deep space, but right now you're my only ...
  A: Sounds like either a simple balancing problem or perhaps you aren't setting up on a very level ...
Age of universe7/14/2007
  Q: The age of our (i.e., the observable) iniverse if fourteen billion years. But, say there are stars ...
  A: Yes, the age of our Universe (date of Big Bang) was about 13.7 billion year ago, + or - 0.3 billion ...
astronomy7/9/2007
  Q: what best or worst can happen,if the earth's gravitational field collapses for a few seconds.explin ...
  A: ... By "collapse" do you mean....disappear or become zero? I'll assume so. Well, anything not tied ...
telescopes and observitories7/8/2007
  Q: and thank you for taking the time to read this. First question, did you buy or build that ...
  A: I assume you mean the picture of my 30 inch portable truss Dobsonian mounted telescope. Yes, it is ...
sun setting in MN7/6/2007
  Q: I was reading other questions that you've answered and it makes me want to know about Minnesota. I ...
  A: Sorry for the slow response but this website accidently eliminated me from their site back in ...
Observing Satellite by Naked eyes2/3/2007
  Q: Is it possible to see a satellite using our naked eyes. I recently saw an object in the sky in the ...
  A: Oh Yes, there are over 10,000 artificial satellites now, and nearly half of them are big enough to ...
books2/2/2007
  Q: I would like to get into viewing the night sky (with appx a 6-8" telescope, all objects- planets, ...
  A: , The very best I can help you with, is for you to go to our club website and punch on "Tom ...
Scince1/30/2007
  Q: What is the axis pointing towards in the Northern Hemisphere during spring and fall?
  A: The Earth's axis in the N. Hemisphere always points to the star Polaris, as far as laymen are ...
buying advice1/24/2007
  Q: My Q is, I would like to get a Meade 8" (see if would, this link)= ...
  A: The only real way you can tell if it's a "good deal" is go to www.astromart.com where amateurs sell ...
The moon and the Sun1/20/2007
  Q: When looking at the moon, sometimes it appears to be lit from slightly to the rear, and sometimes ...
  A: The moon's orbit is tilted 5 degrees to the ecliptic plane, so at times ....for half of it's monthly ...
stellar distances1/18/2007
  Q: I find star distances to be stated inconsistently in various sources. For example, I just ...
  A: Yes, stellar distances (especially those beyond 100 lightyears) are one of the toughest quanitities ...
Big Bang1/16/2007
  Q: If the universe started from a single point and exploded outwards from that point, Why is the milky ...
  A: Well, basically, the two events are not really related because the time frames are so widely ...
supernova1/5/2007
  Q: what r the steps leading to a supernova?
  A: .... Supernovae status is directly related to the starting mass of the star. (We're talking only ...
can you please help me with these questions1/4/2007
  Q: can you please answer these questions for me? Thank you so much!! 1. what did Hubble include when ...
  A: technically, we are not supposed to "help" with homework questions.....doesn't it kind of defeat the ...
astronomy1/2/2007
  Q: For the last couple of evenings, as the sun sets I've noticed a bright star South of the sun. I ...
  A: Yes, that "bright star" is not a star at all...it's simply the planet Venus returning to our early ...
What i should start to study!!12/30/2006
  Q: I am in the 8th grade and ever since i was little i have wanted to learn something new about space ...
  A: Well, you are off to a good start because....it's not only the knowledge that's important, it's also ...
Any Galaxy That is Similar to picture?12/20/2006
  Q: Tom, Many thanks for that great reply. It will keep me going for a while. To explain, I'm a photo ...
  A: your art patterns. In fact, the one you just forwarded sure reminds me of the spiral density waves ...
Any Galaxy That is Similar to picture?12/20/2006
  Q: I'm looking for a picture of a spiral galaxy that looks like the image at this page :- ...
  A: The hardest part of your "diagram" is trying to determine whether or not there is a horizontal "bar" ...
Temperature in highest layer of atmosphere12/15/2006
  Q: I have aWhat are temperatures in the highest layers of atmosphere, and lets say if there is an ...
  A: Actually this is a meteorological (weather) question, but no matter as I taught Meteorology too. The ...
name farthest known milky way star12/4/2006
  Q: I would very much like to know the designation and approximate distance from earth of the star which ...
  A: Boy, that's a tough one...I really don't know. I do remember reading an article in Sky & Telescope ...
astronomy10/15/2006
  Q: What is the distance between the earth and the sun in light years?
  A: Well, the Solar System is so very small compared to the distance of one light year (about 6 trillion ...
birthday telescope help10/14/2006
  Q: First, thank you for taking time to review my issue. My name is Amanda Moody and my ...
  A: Yes, good telescopes are very expensive......and this is one hobby that you have to go 'first class' ...
The Pleiades10/14/2006
  Q: Tom, is it true to say the stars of the Pleiades are gravitationally bound whereas the stars of most ...
  A: Well, first a definition is in order... a constellation is a defined area of the sky.....no ...
earths axis10/8/2006
  Q: what does the tilt of earths axis cause the north and south poles to do?
  A: Actually, the 23.5 degree tilt of the Earth's axis from the vertical, simply causes our poles to ...
Angle of impact for craters on the Moon10/5/2006
  Q: Has it ever been worked out what angle of impact the Meteor that made Crater Tycho on the Moon? Or ...
  A: I had no idea, previous to your question, that anyone had any interest in "impact angle" of lunar ...
Earth and Asteroids.9/29/2006
  Q: but i was watching a show last night on the History channel about asteroids and comets and how ...
  A: Well, this rock, 99942 Apophis, isn't big enough to pull that trick off --a major extinction. Of ...
Earth and Asteroids.9/28/2006
  Q: I dont know the difference between astronomical and astrological so im sorry if i get this wrong. Do ...
  A: Well, astronomical, or astronomy, is the scientific study of the Universe and the bodies contained ...
Life in the universe9/25/2006
  Q: how can i find out whether an object is a)in our solar system b)outside our solar system but inside ...
  A: By "i"...I assume you mean "you". Unless you are a professional astronomer working for a large ...
tasco 3020129/15/2006
  Q: I did some searching and found this.. ...
  A: Well, that low price tells me that it would be ok for terrestrial viewing only (not astronomical) ...
tasco 3020129/14/2006
  Q: I have a tasco 302012 reflector and haven't used it in a while. I am trying to find an eyepiece ...
  A: Sorry, but I am not familar with that 302012 designation, but I do know that the device you are ...
organic molecules9/14/2006
  Q: I've been searching on the internet and I can't seem to find an definitive answer to this question. ...
  A: Marc, Well, this is kind of out of my field (but I'll still give it a shot) ;-) I never had an ...
plane of the ecliptic9/5/2006
  Q: I don't understand the concept of the ecliptic plane. Is it an imaginary outline of the earth's ...
  A: Yes, one can think of it that way...but the real definition,..... it's the plane (like a table top - ...
Astronomy9/5/2006
  Q: 1.Cracks in the moon's bedrock are called A.highlands C.maris B.rilles ...
  A: We're not supposed to do homework questions on this site, but these are so simple, I'm going to ...
Celestron Powerseeker 76?8/13/2006
  Q: Would you happen to know anything about Telescopes because I recently got one 2 months ago its the ...
  A: Welcome to our wonderful world of astronomy and the night sky...unfortunately....you made the same ...
double stars orbit8/12/2006
  Q: Is the double stars orbit circular or elliptical, and is there deference between orbit of each star? ...
  A: Yes and yes and yes. Most double stars are true binaries, that is, they orbit a common center of ...
telascopes8/8/2006
  Q: i have a 600mm refractor telascope. if i put a 1.25 focuser on it do i need to tack the meatle ...
  A: Sorry, but I can't help you with your first question because I know nothing about refractor ...
Time keeping8/6/2006
  Q: I have found a few resources about time keeping and how people do it. The most obvious measure of ...
  A: Oh, thanks for the very nice comments on Allexperts, I really appreciate that. As for your ...
Time keeping8/5/2006
  Q: I have found a few resources about time keeping and how people do it. The most obvious measure of ...
  A: Time is no longer measured with respect to the Earth rotating, or by the Earth's revolution around ...
shooting7/31/2006
  Q: Foremaost i am grateful that you have made yourself available free of charge. Now then, my brothers ...
  A: Well, thank you for the questions and I am very glad to help you out. Last Question First....Yes, ...
Silly question of the day (apologies!)7/18/2006
  Q: I wonder if would be possible to see the flag on the moon? Would it feasibly possible to take such ...
  A: No, it's a "resolution" problem....you are asking for 5 feet resolution (5/5280) or 0.000947 mile ...
Stars6/15/2006
  Q: I would like to know that why do most nearby stars turn out to be low-mass, low luminosity ones? ...
  A: Science does not answer the questions "Why" or "Who".... those are questions for the theologians and ...
bright light in the sky6/7/2006
  Q: I hope you can help me with this puzzle. Last night, around 1:45 AM PT, I went out on my deck to ...
  A: Yes, I am no UFO nut either....in fact, 99.99% of us astronomers do not buy into astrology, Alien ...
Sunset6/7/2006
  Q: Does the sun set at different speeds at different times of the year? I am getting married in ...
  A: Congratulations on getting married, but to your questions. Since sunset is simply the Earth's ...
Couldn't see the moon?6/7/2006
  Q: I recently went on a cruise in the Caribbean. While walking on the deck one night, I noticed that I ...
  A: Yes, easy answer. The moon, just like the sun, or any other star......for most of the world, except ...
Effect of solar flares6/6/2006
  Q: I am an amateur researcher now day researching the subject of solar flares, what I want to know is ...
  A: I am not an expert on solar astronomy, but I can cover your other questions. However, I do know that ...
seeing stars6/5/2006
  Q: I know that seeing the stars from the Earth's surface depends a lot on background light, atmospheric ...
  A: No, an astronaut out past Mars sees the same starry sky as we do IF we can find a totally dark, ...
tides5/31/2006
  Q: could you give me an explanation on why the tides change. thank you
  A: I think most people know that the moon and its gravity causes the ocean tides.... but they are only ...
Regarding the SUN...5/25/2006
  Q: Why the sun does not consume?
  A: By consume, I'm thinking you mean, Why does the sun not use up matter? It does consume--- use up--- ...
flat solar systems and galaxies5/24/2006
  Q: This is something I've wondered about for a while: Why is it that solar systems and galaxies are ...
  A: Well, it's one of those 3-D spherical trigonometry vector thingy's.....(Sorry, I slept through that ...
flat solar systems and galaxies5/23/2006
  Q: This is something I've wondered about for a while: Why is it that solar systems and galaxies are ...
  A: Well, not all galaxies are flat, in fact most galaxies ARE of the elliptical kind, are all pretty ...
solar system4/22/2006
  Q: how was the moon formed
  A: The short, honest answer is....we don't really know. BUT that having been said, there are several ...
comet, meteor, swamp gas?4/16/2006
  Q: What did we see? My description: On April 14 at 9:00 pm CDT a dry, clear, warm evening in Northern ...
  A: Obviously a meteor...but perhaps more than a meteor.... for 40 seconds you may have seen a decaying ...
Right ascension4/12/2006
  Q: I am struggling to grasp where right ascension starts from a longitudinal view. I understand that it ...
  A: (another Tom)! Ok, it's not a "geographical" point on the Earth. So there is, and cannot be, no ...
What am i seeing4/8/2006
  Q: As im relaxing in bed about to nod off. I ocassionally notice a bright light appear then go across ...
  A: If your eyes are open, and you are seeing, looking at, the actual night sky, then perhaps you are ...
SOLAR ECLIPSE4/4/2006
  Q: WITH THE RECENT SOLAR ECLIPSE, VIEWED BY AMERICANS ON TELEVISION, I AM CURIOUS WHAT IT TAKES FOR A ...
  A: and you've come to the right person as I've been to 5 of them, from 1979 thru 1999. How often? ...
schmidt-newtonian telescope3/24/2006
  Q: How does a SNT work? What does it consist of?. george phelps
  A: Boy, I had to look that one up on Google...I thought initially you meant SNR (Supernova Remnants), ...
new telescope3/20/2006
  Q: I recently purchased a celestron 10 inch advanced series newtonian reflector telescope and I was ...
  A: Tom Whiting here, president of the Erie Astronomy Club, so I'm sure we'll be able to help you. You ...
Uranus3/12/2006
  Q: Tomorrow (13 March) is the anniversary of the discovery of the planet Uranus by Sir William ...
  A: I believe it was around 1820 (or thereabouts) that the cartographer Johann E. Bode changed the name ...
black hole3/2/2006
  Q: What is in a black hole and what is on the other side of it, if anything at all
  A: Actually a black hole is composed of mostly empty space. (Although we can't prove that; it's simply ...
What is a year?1/19/2006
  Q: regardless of any change in earth's orbital speed. The factors that may affect that speed is also an ...
  A: and thanks very much for the kind comments on the Allexperts website..... How fast are you moving? ...
stars1/19/2006
  Q: regard's Brian PS What a fantastic service you guys provide.
  A: Actually, you CAN see stars from a plane, but it's rather difficult as a passenger in the back, ...
What is a year?1/18/2006
  Q: What is a year? Is it the time it takes the earth to complete an orbit around the sun or is it the ...
  A: The Earth's axis doesn't "wobble"....it maintains its orientation in space precisely like a fast ...
invention after gravity1/6/2006
  Q: how you doing? I'm recently doing a project on how gravity impacted the world. I looking for some ...
  A: ... How are you doing? You probably need to pick a different project... Why? Because gravity wasn't ...
Thank you!!!12/26/2005
  Q: You may not remember me, but I had asked you about advice on binoculars and telescopes that I could ...
  A: Yes, I do remember, and I'm so glad you followed my advice. See, telescopes are a very personal ...
The Sun12/17/2005
  Q: how hot is the sun
  A: Tom here (age 64 -well, tomorrow).....63 for another 5 hours) How hot the sun? What part? The ...
Gravitational Waves12/13/2005
  Q: If the sun suddenly collapses,then when would the earth feel it's effect? Instantly or after 8 ...
  A: ... Good "trick" question from your instructor! (Or textbook) Answers: #2 first..... Velocity of ...
star finder12/11/2005
  Q: Tom I am thinking of buying the Excaliber Night Navigator-cost about $100.00 Do you recommend this ...
  A: Don, I don't even know what that is....I had to Google it to find out.... seems it's just an ...
telescopes11/25/2005
  Q: I have a bit of a question regarding telescopes and binoculars. My father is a big space buff, and ...
  A: ...too bad others don't consider a purchase of that nature before hand, like you have here. Hands ...
retrogade motion?? what is it?11/22/2005
  Q: is this information regarding astronomy true??? As the strong belief of we muslims is that when ...
  A: ...and peace be with you.... Well, what you are doing is confusing daily rotation of a planet ...
Globular Cluster Classification11/21/2005
  Q: My question is this: How can I interpret the classification scheme of Globular Star Clusters. ...
  A: and cheers to you too.... Well, the Classification system for concentration of the cores of globular ...
Rotation of Galaxies11/14/2005
  Q: I've dropped you notes before on a number of topics that I've helped my kids with (orbit of the ...
  A: Yes, I remember you from your previous questions...hope all is well with you and your family. No, I ...
Lunar azimuth11/9/2005
  Q: Unless I am wrong, the moon's orbit is tipped only 5 degrees off of the equatorial plane of the ...
  A: I've had this question before, so I've researched the answer.... seems that 5 degree swing on each ...
experiment11/7/2005
  Q: Can you suggest a HS science project using a 5" Celestron telescope and/or a Nikon 35MM film camera? ...
  A: Yes, just repeat the same experiment (assuming it's not the same teacher) that you did two years ...
Herschel and Uranus11/3/2005
  Q: Could you please give me a little information about Sir William Herschel and the Telescope he used ...
  A: Sorry, but I don't know a thing about Sir William Herschel's telescope, or what he used to find ...
Cross Refs for NGC / IC and star records11/3/2005
  Q: I was recently suprised to find a number of 'single star' entries in the Revised NGC / IC catalogue, ...
  A: It's my understanding that the project...re-visiting all NGC and IC objects to eliminate errors, it ...
HELP!!!!10/30/2005
  Q: Im hoping you can help me. Im an American guy who retired here in Cebu Philippines about 5 years ...
  A: Sorry I didn't answer sooner, but we were down at Cherry Springs State Park (PA) observing all ...
adaptive vs space10/24/2005
  Q: Tom, Hello, you've helped me many times and I've always been highly pleased. Thanks for the good ...
  A: and thanks for the nice compliments. Well, I don't think we can compare a device (TPF) that will ...
Comets10/6/2005
  Q: Do comets lose mass each time they go round the sun? Because the tail is created by melting ice, so ...
  A: Yes, comets lose some slight mass everytime they pass through perihelion, so actually astronomers ...
Career in astronomy10/4/2005
  Q: Now I know why they say astronomy can turn into a lifestyle! I had a dog names Sirius once, but ...
  A: FOLLOW UP: Well, by science writer, I assume you mean science textbooks and such....no, I think ...
Career in astronomy10/4/2005
  Q: But, I don't understand how amateur astronmers have any time to stay up at night after their day ...
  A: FOLLOW UP... Well, until you're retired, it's a tough schedule....(but not that ...
Career in astronomy10/3/2005
  Q: Is it possible to go into the astronomical field for a career without a math or science degree?
  A: Is it possible? Yes, almost anything is possible. But is it likely? In today's world, no, not ...
stars10/1/2005
  Q: why do stars twinkle? if you know please tell me
  A: Stars twinkle because of our air, our atmosphere. If we had no air surrounding the Earth, stars ...
astronomy9/16/2005
  Q: I'm doing a beginners course on astronomy and I was wondering if you know some information about ...
  A: Yes, I can tell that you are fairly new to our great hobby (and subject). Right off the top ...
looking for a project subject9/10/2005
  Q: I want to work on an astronomical project and I'm looking for a subject, and is better if the ...
  A: Gee....with all that experience, and even a 6 inch Newt. scope, it sounds like you don't need my ...
More HST9/7/2005
  Q: Could you be really kind to answer a few more questions? In a part of your answer you said that ...
  A: Sorry Leila, I just don't know if there is a current UV scope in space.... I just don't keep up with ...
Red shift and Blue Shift9/7/2005
  Q: My co-workers and I are trying to figure out this question. If we are correct, we are assuming that ...
  A: ... Very good questions, and I'll take them from bottom to top. 1. Our position in space, the sun, ...
HST9/5/2005
  Q: Could you please help me with these questions about HST? How would you compare the Hubble Space ...
  A: Sorry I would have answered much sooner, but I just returned from 5 nights of all night observing at ...
new to astronomy8/25/2005
  Q: I just got a telescope and have never used one. I've been searching online for astronomy sites and ...
  A: Didn't I answer this very same question about 2 weeks ago? From You? Maybe not....age takes its ...
Basic telescope advice for a gift8/10/2005
  Q: I am looking for a gift idea for my father. I was thinking maybe a telescope, somewhere in the $500 ...
  A: Well, in our great hobby, equipment (scopes) come last, not first. Knowledge of the night sky comes ...
see a planet7/31/2005
  Q: What planet is suppose pass close to earth this month that will not pass by again for over 100 ...
  A: ... None. You have been reading a circulating "hoax" E-mail announcement stating that Mars will be ...
telescopes7/29/2005
  Q: I am interested in buying a telescope to view deep space as well as the planets. I have found a new ...
  A: ... Initially, you sound like the guy with a new Private Pilot License with 50 hours in Cessna ...
historical accounts7/23/2005
  Q: I'm a recent college grad. I was talking a lifer friend of mine (he's been in college for 6 years) ...
  A: Well you've come to the right person as I've made a study of both of these topics for years, being ...
Beginner to astronomy7/21/2005
  Q: I've always had a love of space, stars and planets and have been lucky enough to acquire a large Sky ...
  A: You actually answered in part, your own question....when you said, " I wish I knew what I was ...
achromat7/14/2005
  Q: I'm re-immersing into my childhood hobby in my retirement years, and am kind of new at scope ...
  A: Sorry, but I never received your original question....and then my first thought upon Allexperts ...
stars6/26/2005
  Q: I understand or think I do that the light we see in the skies are of stars. This is at night of ...
  A: .. If you don't mind, I'll do your questions in reverse. Under our current knowledge of mass, space, ...
nebulas and O5 class star6/19/2005
  Q: As a student I have two question and I am asking you. These two questions came to my mind: 1.Why ...
  A: Any O ar A spectral class massive star does not live long enough, so using our own standards of ...
telescope6/10/2005
  Q: what is the basis of building a telescope and requirements
  A: The telescope simply gathers light-- -a big light bucket; (the eyepiece does the magnifying). You ...
Universe and speed of light6/2/2005
  Q: I read that the current thinking is that the universe is around 18 billion years old (give or take ...
  A: Well, I think the current age is stated as 13.7 Billion, plus or minus 0.3 billion years...but no ...
planets5/18/2005
  Q: or whatever that come ever 3,600 years?
  A: ... Absolutely not! There is no tenth planet of the solar system.....this has been checked and ...
Big Bang Theory5/16/2005
  Q: Can you give me some observation evidence in favor of the Big Bang Theory? Thanks, Mike
  A: Yes, I can give you a lot of observational evidence and data concerning the Big Bang versus Fred ...
true?5/11/2005
  Q: some guy said this plus many disasters?? 1/3 OF THE EARTHS POPULATION WILL BE GONE IN A TWINKLING ...
  A: .. Great Handle for an e-mail name!..... Well, What Body? Actually, in any case, it doesn't ...
earth's rotation4/24/2005
  Q: Hve you ever been into space? if so what was the expierence like? What would happen if the earth ...
  A: No, but I have been up to 55,000 feet in a KC-135 USAF Tanker aircraft on a high altitude mission ...
Saturn's moon: Titan4/21/2005
  Q: Just from your own prospective and a scientific point of view, do you think that Titan (Saturn's ...
  A: Sorry for the delay, but I thought I answered this question already....evidently the allexperts site ...
Earth4/20/2005
  Q: could we speed up the earth's rotation?
  A: More information required..... How? Or rather, by what mechanism are you thinking of doing it, AND ...
Solar Eclipse4/17/2005
  Q: My science teacher and I have been trying to find out when the next total solar eclipse will be in ...
  A: Well, I've been to 5 of them so I know when they all are. Actually, you won't be too far from the ...
asteroids/comets4/9/2005
  Q: If there was a large comet or asteroid on a collision coarse with earth, would we know before it ...
  A: Sorry I didn't answer sooner but we've been down at Cherry Springs State Park observing all weekend, ...
planet?3/30/2005
  Q: is this website true about this planet mr astronomer just wondering?? ...
  A: No! Absolutely Not! This is all so-called "meta-physical" Bullsh....! Many of these metaphysical ...
space3/27/2005
  Q: i had a few questions and hope you can answer them:) Will the black hole at the center of the Milky ...
  A: You seem to be pre-occupied with black holes, and fearful of them....not to worry as the nearest one ...
------------------------- ...3/24/2005
  Q: I Have just got a newtonian telescope which is 76mm diameter and 900mm focal length.I have got 2 ...
  A: ...I did think it strange for Egypt, the country that helped to start astronomy thousands of years ...
hi I Have just got...3/24/2005
  Q: I Have just got a newtonian telescope which is 76mm diameter and 900mm focal length.I have got 2 ...
  A: Gee, I was told by an Egyptian (or was it you?) a few months ago that the Egyptian government did ...
Lacerta3/23/2005
  Q: I have a few questions pretaining to the constellation Lacerta. First of which is, what is Lacertas ...
  A: You won't find any mythology on Lacerta because it is a very "recently" named area of the sky ...
The Earth3/16/2005
  Q: Can you help me? I have emailed the following questions to people who should know the answers, i.e. ...
  A: Well, this is kind of out of my field....astronomy....we actually don't "look" at the Earth, but ...
Gravity3/14/2005
  Q: Does gravity effect a person's height???
  A: Probably, but more indirectly than one individual person, which is probably what you are thinking. ...
stars3/8/2005
  Q: Why does the sky seem more populated with stars one night, and the next there seem to be far fewer? ...
  A: .... Easy question, but a very good one. Well Ashley, first realize that there is the same number ...
Careers In Astronomy3/4/2005
  Q: my name is Mitchell, and I have a question relating to astronomy careers. I just started college ...
  A: I had exactly the same problem 40 years ago! Not that good at higher math, but pretty good with the ...
I have been doing a bit of...3/2/2005
  Q: I have been doing a bit of research, and I recently ran into this bit of text: "A simulation of ...
  A: Yes, that was an article published in Oct 1999 at Berkeley and picked up on, (and probably ...
Moon2/12/2005
  Q: I'm originally from Northern Germany. At home, when we have a waning/waxing moon, the tips of the ...
  A: ..... Congrat's for being an AllExperts participant too... Ok, the crescent moon, and I assume you ...
telescopes2/12/2005
  Q: Looking to buy a nice scope. Can you suggest a good place in NYC?
  A: ... In our great hobby, it's one of the few activities that you really have to mail order, to get a ...
foci2/4/2005
  Q: I was watching the 2nd DVD of Cosmos yesterday and Sagan was discussing Kepler's laws of planetary ...
  A: I believe..... that is still Kepler's first law, the second being ... equal area's are swept out in ...
TRIVIA HELP ME PLEASE!!!!!!1/28/2005
  Q: The sun surly does not emanate from here. Take a look at the front and then look to the lowest ...
  A: ..... I'm still trying to figure out the question..... Was there a picture or something, supposed to ...
correction on earlier email1/23/2005
  Q: I believe I mentioned in my earlier email that I read you could see saturn with a 45mm lens. Oops! I ...
  A: .. that's a mis-print....it should read..."even a small telescope will show the planet's ring ...
Please help with my new telescope!1/23/2005
  Q: I NEED HELP! :-) I'm totally amateur in astronomy and I just got a new telescope before I read ...
  A: If you paid less than $300 dollars for your scope....if you didn't send away for it, in other words, ...
pics1/17/2005
  Q: These recent, ASTOUNDING pics of Titan, especially the ones which shows what appears to be a coast ...
  A: I'm really not sure...I also was a little disappointed, BUT I'll offer 3 suggestions why.... 1. ...
I want to thank you for your...1/14/2005
  Q: I want to thank you for your time and effort in providing this response. I am still attempting to ...
  A: Ok Stephen, I'll be standing by, although not for real long because I am a 63 year old man with ...
Telescopes1/14/2005
  Q: I would like to try a little amateur astronomy in my holidays. I want to get a cheap telescope for ...
  A: Amateur astronomy is not just a weekend event like a skiing trip to the Alps, or a visit to Pisa to ...
What I seek is a referral...1/7/2005
  Q: What I seek is a referral to a chart, list, or some such that provides the number of stars by their ...
  A: I don't know how specific you need the information you asked for, but I will give you what I know. ...
Moon & Sun sometimes appear larger than usual1/7/2005
  Q: Why is it that sometimes both the moon and the sun appear larger than normal? Is it a function of ...
  A: Yes, anything to do with size change, shape change, color change like the orange sunsets or deep ...
Our galactic core and planetary objects.1/6/2005
  Q: I am doing research for a sci-fi novel I am writing. I was hoping you could help clarify a few ...
  A: To answer your questions in a word, yes yes yes, yes, and yes....the rest near the bottom are all ...
Milky Way Galaxy12/27/2004
  Q: Our science teacher gave us an assignment over the holiday break. I not sure if one of the questions ...
  A: .... I don't know if I'd call it a "trick Question"...but with just a little thought, it's quite an ...
Measuring the Skew of the Moon's Orbit12/15/2004
  Q: I have to read your answer over again and ponder it for a bit. What I meant by the moon's orbit ...
  A: Well, easiest way to explain the ecliptic (which as you know is the center of sun-center of Earth ...
direction of sunrise12/14/2004
  Q: ------------------------- Hi Tom Thanks for your prompt reply. I've been having trouble getting a ...
  A: Yes, well you win some and lose some, on total solar eclipses.... It was clear on P.E.I. for the ...
direction of sunrise12/13/2004
  Q: I have a question, but first I would like to say how lucky you are to have seen 5 eclipses. I saw ...
  A: .... Never been on a ship, so no, no cruises (180 combat missions in Nam in KC-135 tanker aircraft ...
Measuring the Skew of the Moon's Orbit12/13/2004
  Q: You helped my son with a project involving light pollution last year for which he won first place at ...
  A: .. Glad to help in the past and congratulations on his 1st place results. Well, I'm not familar ...
What exactly is a "Saros cycle"...12/13/2004
  Q: What exactly is a "Saros cycle" in layman's terms please, Thank you! Lola
  A: Yes, it's simply the time it takes for the moon to return back to almost its exact same position in ...
astronomy12/11/2004
  Q: How big is our solar system
  A: ... Well, depends on how you want to define the Solar System..... If you are just thinking of the 8 ...
Astronomy12/10/2004
  Q: I wanna help you could you tell me please that. What type of telescope detects energy that's outside ...
  A: Easy question.....telescopes that detect and receive energy outside the visible light spectrum are: ...
Asteroids11/29/2004
  Q: Tom, I am an Amateur Astronomer taking an online course. It has come time for my final section. I ...
  A: Becky,.... I don't know....but if it were me, I would start E-mailing colleges that teach astronomy ...
------------------------- ...11/28/2004
  Q: In egypt, telescopes are illegal and can't be found. But I am a real fan of astronmy and I want to ...
  A: Yes, the eyepiece at "the other end of the telescope" The piece of glass you look into with your ...
hi In egypt, telescopes are...11/27/2004
  Q: In egypt, telescopes are illegal and can't be found. But I am a real fan of astronmy and I want to ...
  A: I've never heard of a country or a civilization that did not allow their citizens to own and operate ...
space11/18/2004
  Q: A is a long tailed ball of ice, rock, and gas that orbits the sun.
  A: ... BTW, that's my middle name, except its spelled "Allen".... A comet. (A "dirty snowball"...name ...
Moon sighting11/15/2004
  Q: I was wondering if it was scientficly possible to see the crescent of the moon with the naked eye on ...
  A: ... From Where? And which date...November 12 in Greenwich England, Christchurch, New Zealand? Or ...
Finding Deep Sky Objects...11/15/2004
  Q: Hey! ... So I bought a nice 200mm apeture telescope(Celestron C8-N), and based off of my research, ...
  A: Ok, everyone that's been in astronomy for a while knows that those RA and DECL setting circles on ...
term11/11/2004
  Q: Can you help me define "emission spectra?"Thanks.
  A: I believe the full name is "bright line emission spectra".... simply the spectrum of an incandescent ...
travel of light across the universe11/11/2004
  Q: Theoretically, if a person could be instintaniously "zapped" from earth to a point in space that is ...
  A: Yes, you are correct.....IF a person, theoretically, could be instantly placed to a point 2000 ly ...
Saturn11/3/2004
  Q: I'm currently working on a Science Inquiry. Consulting with experts is part of the process, and was ...
  A: glad to help.... 1. Light gets to Saturn the same way it gets to any other planet, or any starlight ...
age of universe10/30/2004
  Q: The recent "Hubble Ultra Deep Field" - (HUDF) showed some smudges believed to be galaxies at a ...
  A: ... Sorry, but I never received your question from the Allexperts group; I typically answer within ...
thermal expansion coefficient of optical substrates10/29/2004
  Q: it's me again. I have more questions! I've learned that the substrates of dichroic filters have to ...
  A: Sorry Bridget, I (and most astronomers) don't manufacture the filters, we just use them. (Just ...
Huygens10/28/2004
  Q: With the recent flyby of Titan, I was wondering about the pictures that (hopefully) will be taken by ...
  A: Well, I think that the cameras installed are at least equivalent to what the Mars Rovers use, ...
optical filters10/20/2004
  Q: How do filters (such as light pollution and colored filters) only let one frequency group through ...
  A: Well, I'm not into the manufacturing field, but I've read that the so-called light pollution and ...
mars10/4/2004
  Q: why is mars known as the the red planet ...
  A: Bart, because to the naked-eye, the planet appears with a slight reddish shade...not fire-truck or ...
Solar System9/30/2004
  Q: I just want to know: 1)If the Outer Core is so hot that the metal is melted, then why isn't the ...
  A: This is somewhat out of my field....the Earth is a geology topic, and not specifically an astronomy ...
Magnetic Field9/25/2004
  Q: How did the Earth's Magnetic Field created? Thanks
  A: Samson, it's the dynamo principle....a rotating liquid iron core surrounded by a solid substance ...
Strange red pusling object!9/24/2004
  Q: I'll get right to it! I live in Ottawa Canada, and as of late, my family and I have observed a ...
  A: I would have answered sooner, but the AllExperts website has been down for repairs. You are seeing ...
Equinoxes9/24/2004
  Q: I have noticed that the solstices and equinoxes seem to be falling on the 22nd of the month lately ...
  A: I would have answered much sooner, but the AllExperts website has been down. Well, I know its not ...
Thought I'd Mention...9/15/2004
  Q: In your answer to Paul's question you forgot both the the Pegasus Dwarf Galaxy and the Canis Major ...
  A: FOLLOW UP: Hi AW, Yes, you are correct, but...... Paul is a newbie...his question was not, "What ...
choosing telescope8/30/2004
  Q: What telescope do you recommend? I have $400. Thanks. Mike.
  A: The 200 inch Hale Telescope on Mt. Palomar...Just Kidding! First, are you ready for a ...
The Cassini Mission8/22/2004
  Q: Has The Cassini Mission launched in 1997 reached Saturn and do you have any good interrnet sources ...
  A: Yes, Cassini went thru its 96 minute burn for SOI (Saturn Orbital Insertion) on June 30 without a ...
Galaxy info8/19/2004
  Q: Is there a Galaxy called Pegasus? If so, haw far is it from earth? Do you know of any websites ...
  A: Not specifically, as Pegasus (as you probably know) is a constellation (area of the sky) and there ...
Toutatis8/14/2004
  Q: TOM, For Toutatis being a global threat,I read it has a 67% chance of impact Sept.29th, the experts ...
  A: .. Well, the 60+% chance is pure hogwash....strictly out of the National Enquirer and types like ...
telescope8/8/2004
  Q: My six year old son has become fascinated with the solar system and the stars. Obviously, we want to ...
  A: Mike, 6 year olds are typically still in the 'concrete' phase of life (as opposed to the ...
asteroids8/6/2004
  Q: . why is it that the asteroids are placed between mars and jupiter? thanks...
  A: Raiza.... I think what you really mean to ask is...what process put the asteroid belt between Mars ...
Stars7/26/2004
  Q: Why don't stars stay on zero-age main sequence while they are main sequence stars? Any information ...
  A: Nathan, Because there is a compositional change as the star begins to fuse hydrogen to helium in the ...
Velocityq7/20/2004
  Q: Sir, Can you explain how velocity is effected in concerns with planets (i.e Mercury to the Sun ...
  A: Nathan, Comparing planet to planet as you are, you are dealing with Kepler's 3rd law where the ...
PICS7/13/2004
  Q: I'm sure there's an easy answer to this, but why are most of the new images from Cassini in B&W? I ...
  A: Yes Tim, thank you for the question... Well, Saturn is just emerging from conjunction on the back ...
light from outer space7/10/2004
  Q: for the detailed answers, altho it is mind boggling for me. Nevertheless, I can roughly understand ...
  A: Justinchoo... Sorry I missed this question on my E-mail, as I was out of town observing at Cherry ...
light from outer space7/7/2004
  Q: I cannot understand how light can travel for millions of years without disappearing. The light ...
  A: Well, (2) if we could magically "switch off" the stars, the light would be extinguished too, and ...
Upgrade7/4/2004
  Q: I currently own a 4.5 inch reflector telescope with 900 mm focal length. Is it worth it upgrading to ...
  A: Well, you actually have two separate questions...size of scopes and light pollution; the two are ...
moon / earth6/15/2004
  Q: How long does it take the moon to travel around the earth and how do they calculate this and when ...
  A: It does not have to be calculated...it can be done by simple observation. In fact, the moon's ...
Right ascension/declination6/14/2004
  Q: Just one more small question... Is it worth it upgrading to a 8 inch in a light polluted sky? Thank ...
  A: Deeb, Yes! Most definitely, as long as you stick with high quality equipment...right now stick to ...
Right ascension/declination6/12/2004
  Q: I own a 4.5 inch reflector telescope and have been looking at the sky "manually" for a few months. ...
  A: Deeb, Small scopes, even my old Celestron 8 came with RA and Decl. circles...but they put them on ...
Horizon5/22/2004
  Q: Would the horizon be the equator?ie depending on the tilt of the earth, the equator would change ...
  A: No, your horizon is dependent on the curvature (and thus the radius) of the body you are standing ...
Uranus and its Seasons5/21/2004
  Q: ------------------------- I was thinking around the same lines, thanks again for the fast reply ...
  A: Yes, well it takes Uranus 84 years to orbit the sun, so for your starting point, only the southern ...
Would the constellations as seen from the Moon be the same as those seen from Earth?5/21/2004
  Q: That makes sense, basically its the reversal of what we would see on Earth. One other things i do ...
  A: Rahul, Yes, the constellations (positions of the stars relative to each other) would be identical ...
The Earth viewed from the moon, how would the earth look over the course of weeks?5/21/2004
  Q: the earth would goes through diffrent phases. Since the moon revolves at approximately 13 degrees ...
  A: Rahul, Very simple and very logical....the Earth, as seen from the moon, is the exact opposite ...
Black Holes, White Holes, Worm Holes5/12/2004
  Q: my name is Henry Wakley. I am currently a senior in the Miller School in Albemarle County, Virginia. ...
  A: .. Well, for starters, looks like you are working with old material there....in astronomy, any ...
stars, order of magnitude5/10/2004
  Q: Tom,Hi,I read your answer, thank you,I understand about Polaris,I just wish I could see more stars ...
  A: Mike, Not familar with nuclear explosions or lasers, but I believe your quotation deals with ...
stars, order of magnitude5/10/2004
  Q: Tom, I read one of your other answers and it made me want to ask you a question.First,I always had ...
  A: Yes Mike, glad to make your acquaintance.... well, don't feel bad as most people think that Polaris ...
orbit insertion5/6/2004
  Q: I've heard it's very difficult to send a probe/satellite towards Mercury (or any inward object, say ...
  A: Yes Tim, What you read is exactly true; it's much more difficult... read that more energy ...
Re: what star is that?4/27/2004
  Q: I found your answer to someone who asked a question about a star just west of Orion's belt. (3/6/04) ...
  A: Christina, Well, that was 6 weeks ago...things have changed...planets have moved, and do move....but ...
asteriods4/23/2004
  Q: How can we measure the temperatures of two asteroids? and what can we deduce from the measurements? ...
  A: Rain, Simply photograph the body in question using an infrared telescope with infrared sensitive ...
cloud4/12/2004
  Q: How come Saturn's cloud decks are less colorful than Jupiter's? Thank You -ken
  A: You must be taking the same course as "James"...as he just asked the exact same question! Ken, ...
moon and tidal braking4/4/2004
  Q: Whiting, I don't quite understand how even if the moon is spinning, why is it not subject to tidal ...
  A: Raichu, It was, and they are...in fact, they both are subject to tidal braking...actually, ...
Light pollution, etc.4/4/2004
  Q: I live in a light polluted area with a 5.4 magnitude limit. A few months ago, I bought a 4.5 inch ...
  A: Deeb M, in Reverse order, (3) yes, a refractor is more appropriate in this situation, since you will ...
oxygen3/22/2004
  Q: Whiting, I'm curious about oxygen. How come oxygen molecules do not all have identically the same ...
  A: Well Bob, If I remember my gas laws of physics, any gas, be it oxygen, nitrogen, chlorine, ...
gasses3/21/2004
  Q: Why do heavier molecules, say, carbon dioxide, move more slowly than to the oxygen molecules when ...
  A: Kai, Simply because they are larger, heavier, and therefore, need more momentum to escape....just as ...
Astronomy3/12/2004
  Q: please can u tell me the effects, advantages and disadvantages of astronomy to man? I need this ...
  A: Well sorry, but I am not signed up for Yahoo, but we can communicate by E-mail directly....I'm at ...
Hi Tom, In pictures we...3/10/2004
  Q: In pictures we see of galaxies throught telescopes or Hubble, they are of course these awe-inspiring ...
  A: Tim, Interesting questions! Actually, had you stayed out at night in the desert long enough to ...
what star is that?3/6/2004
  Q: Is is a star or a planet? I'm in San Diego and there is a really bright star to the West of Orion's ...
  A: I would have answered your question much sooner, but I could not get on the allexperts website for ...
observatory3/5/2004
  Q: if you were in charge of selecting site for a new observatory, what factors would you consider?
  A: Chris, Well, obviously you'd want dark, dry skies, access to the entire sky, even the S. Hemisphere, ...
space3/3/2004
  Q: please could you let me know how many miles away is the sun and the moon if you could help it would ...
  A: Yes Richard, the sun is very close to an average distance of 93 million miles...but our distance ...
Mars2/27/2004
  Q: I know that Mars' spin axis has a similar tip angle to that of Earth, but why does this cause ...
  A: Kai, Yes, Mars 25 degree axial tilt gives Mars 4 seasons, just like the Earth, during its 687 day ...
Help with some terms2/22/2004
  Q: I am planning to reenter the hobby of astronomy after many years. I had just a very basic reflector ...
  A: Casey, would have answered this last night, but the allexperts website was down....could not access ...
thermal spectrum2/21/2004
  Q: Does a thermal spectrum emitted by an object have a peak? or does it have the same intensity at all ...
  A: Bob, I can't think of a single case where ANY spectrum does not have a peak somewhere, which ...
sun2/20/2004
  Q: I know that nuclear fusion reactions takes place in the core of the sun where the temperature and ...
  A: James, The high temperature and density are required for hydrogen fusion to occur because you are ...
Detection2/19/2004
  Q: Why can't we use normal light (observable light) to detect the birth of stars and protostars but ...
  A: Shawn, Because stellar birth occurs in dense interstellar clouds like the Great Nebula in Orion ...
escape2/14/2004
  Q: Does a heavier rocket need to reach a higher speed than a lighter rocket in order to escape from ...
  A: James, The weight, mass, volume, whatever....is unimportant.... The body in question simply has to ...
space2/13/2004
  Q: If there is a fabric of space and time does it expand across the whole univere? Like is there one ...
  A: Arpan, The word 'fabric' is just a connived or convenient term to describe the space-time continuum ...

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Tom Whiting

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Expertise

Astronomy has been my hobby/pasttime for over 50 years.  Currently own 3 telescopes, the largest of which is a 30 inch Newtonian truss Dob that is portable.I taught Astronomy/Meteorology at the University Level for 13 years before retiring in 1995. Being retired and home most of the time, I am able to answer all questions relatively quickly, unless it's a new moon weekend with good observing conditions.  No astrology questions please, or questions about alleged UFO picture identifications.

Experience

Experience: Astronomy has been my hobby and study for over 50 years. We currently now own a 30 inch portable telescope (Updated - Pennsylvania`s largest portable telescope). It can be seen on our website at:http://www.velocity.net/~bwhiting and also attend several regional starparties during the year, and have been on 5 total solar eclipse expeditions.

Organizations: President, Erie County Mobile Observers Group for over 15 years.

Publications: Wrote the "Over Erie Skies" newspaper article in our local newspaper for 11 years (1975-86).

Education: Masters Degree- Taught at the University level for 13 years. Retired 20 years -USAF Pilot - KC-135 with 180 combat missions;  Also Eagle Scout, Philmont staff 2 Yrs, Order of Arrow Lodge Chief, Ham Radio (inactive).

Awards: two discoveries: The mini-coathanger asterism in Ursa Minor (the little dipper) And the mini-ladle- another asterism in the bowl of Ursa Minor. Clients: Currently President of the ECMOG as mentioned above.

Education/Credentials
BS  Metallurgical Engineering Grove City College, PAMaster's Degree, Gannon University, Erie, PA Also retired USAF pilot, 20 years.

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