| Subject | Date Asked |
|
| Black holes, electric charge | 6/11/2009 |
Q: Since not even light can escape the event horizon of a black hole, if a black hole managed to ...
A: I'm not quite sure I understand your question. I'll assume "beyond" the event horizon means ...
|
| Sun and 7.25 degrees..... | 1/21/2009 |
Q: I have been reading through the questions and this seems to pop up quiet a bit. The question I have ...
A: You are correct that there's no absolute frame of reference. However, in our solar system, the ...
|
| solar system | 1/20/2009 |
Q: I am an young earth creationist so you know I think the big bang is a fairytale.My two questions are ...
A: First, you may be surprised when I tell you that I'm a creationist also. I don't know of too many ...
|
| stars | 1/18/2009 |
Q: why do all stars seem like there the same distance from earth. And does this have anything to do ...
A: No problem. I'll always try the best I can to make sense of it. But believe me, there are some ...
|
| stars | 1/18/2009 |
Q: why do all stars seem like there the same distance from earth. And does this have anything to do ...
A: All the stars seem like they're at the same distance from earth because they're all so far away. ...
|
| Bright Star? | 1/13/2009 |
Q: Hey James, Every clear night for the last week or so (could be longer can't say I've purposely ...
A: The object that's caught your eye is actually not a star at all, but the brightest planet there is - ...
|
| black holes | 1/9/2009 |
Q: i am 17 years old and i was wondering is it possible that when a star dies and produces a black ...
A: We have a pretty good idea of how elements burn in a star's interior, starting mainly with a sphere ...
|
| partical collisions? | 1/8/2009 |
Q: Professor Gort, in your reply to my last question (small cold sun) you said: charged particles from ...
A: Yes, we have a pretty good idea of how fast these particles are travelling. In some types of stars, ...
|
| Small cold sun? | 1/7/2009 |
Q: Professor Gort i'm not going to be very popular i think. I want to question the present sun theory. ...
A: Believe me - there are no silly questions - only silly answers! And I hope this answer isn't one of ...
|
| expansion of the universe | 1/7/2009 |
Q: I am wondering, since the expansion of the universe is accelerating, has there been any detailed ...
A: For your first question, yes, the rate of expansion can be calculated. And I guarantee you - the ...
|
| expansion of the universe | 1/7/2009 |
Q: I am wondering, since the expansion of the universe is accelerating, has there been any detailed ...
A: You ask some very thoughtful questions! I hope to give you a little more "food for thought". First ...
|
| Supernova | 1/2/2009 |
Q: How the mass and distance of a supernova affects objects in the universe? How forces influence the ...
A: To answer your second question first, a supernova is just an "exploding star", so the forces that ...
|
| telescopes | 5/6/2008 |
Q: why do telescopes in space get a more complete picture of space objects?
A: Telescopes in space are outside of earth's atmosphere. Telescopes on earth must see through a very ...
|
| earths orbit | 5/5/2008 |
Q: how does the earths rotation stay relatively predictable/constant???
A: Isaac Newton discovered the law of inertia - that an object at rest stays at rest, and an object in ...
|
| SIZE OF OBSERVABLE UNIVERSE | 4/30/2008 |
Q: Gort, One of my biggest question is about the size of the observable universe. In one of your ...
A: Although I'll never say "never", from what we know of physics today (mainly from Einstein), much of ...
|
| SIZE OF OBSERVABLE UNIVERSE | 4/26/2008 |
Q: Gort, One of my biggest question is about the size of the observable universe. In one of your ...
A: As the red-shift gets greater, it appears that Hubble's velocity / distance "law" is not linear. ...
|
| lightyear | 9/5/2007 |
Q: How long does it take for the images of the stars in the sky to get here? ANSWER: Hi Rob, The time ...
A: The sun has a proper motion and moves in the arm of our Galaxy (towards the star Vega in Lyra), and ...
|
| lightyear | 9/4/2007 |
Q: How long does it take for the images of the stars in the sky to get here?
A: The time it takes for light from stars to reach us depends on how far they are away. The nearest ...
|
| Black Hole Collapse Velocity | 9/2/2007 |
Q: When a large star collapses to a black hole why doesn't the collapse velocity approach the speed of ...
A: I forgot to mention on the "rotation" question, all angular momentum is measured at the event ...
|
| Black Hole Angular Velocity | 9/2/2007 |
Q: When a massive rotating star collapses to a black hole why isn't the rotational angular velocity of ...
A: When a rotating star collapses, you are correct that conservation of angular momentum (which is ...
|
| How did the observable universe get so big in so | 5/28/2007 |
Q: In a recent lecture it was stated that the observable universe is fourteen billion years old, but ...
A: You're welcome. If you still have a few dolars left, I also recommend "Seeing Red" by Halton Arp, ...
|
| How did the observable universe get so big in so "short" a timem | 5/28/2007 |
Q: In a recent lecture it was stated that the observable universe is fourteen billion years old, but ...
A: I wish I had attended that lecture! First, let me say that this is a highly speculative area, and ...
|
| string theory | 5/26/2007 |
Q: I want to ask that according to string theory there was not any singularity at beginning of ...
A: I'm not sure I can help much in this speculative area, but I'll try. First, I hope you've had a ...
|
| moon color | 5/20/2007 |
Q: What color is the moon? Do you know of a book or website to support your answer?
A: This was a fairly difficult question! Surprisingly, there's not many references that describe the ...
|
| facing side of the moon | 5/12/2007 |
Q: The same side of the moon always faces us, therefore as the moon orbits around the Earth, it must ...
A: The moon is "locked" into synchronous rotation with the earth, meaning that it always presents the ...
|
| supernovae | 5/7/2007 |
Q: what is meant by super navae?
A: A supernova is a star which explodes violently. There are two main types. In one type, a very ...
|
| Sloan Great Wall | 4/30/2007 |
Q: It seems too unlikely that the formation of the Sloan Great Wall is due to coincidence. Is there ...
A: The Sloan Great Wall is not a structure, as such, since the galaxies are not gravitationally bound. ...
|
| No Direction to Find Big Bang | 4/30/2007 |
Q: I read your explanation that there is no direction to specifically look to find the big bang. I ...
A: You've hit the nail on the head. Yes, we should see evidence of young galaxies when we see the ...
|
| Big Bang and Blackholes | 4/28/2007 |
Q: Gort I was reading your answer about the blackhole universe theory, and I was wondering if it would ...
A: For not knowing much about astrophysics, you just came up with one of the current theories on the ...
|
| DARK MATTER | 4/24/2007 |
Q: in special relativity speed od of light is constantn & works as a linkage of connecting space & time ...
A: The concept of datk matter was actually developed to explain the rotational dynamics of the Milky ...
|
| Big Bang | 4/21/2007 |
Q: In the book "Death by Black Hole, Dr. Tyson states that at the Big Bank plus 1 second, the universe ...
A: In cosmology, I really want to get across there's no consensus by scientists. There are popular ...
|
| SINGULARITY | 4/20/2007 |
Q: Sir I want to ask that according to many models of universe there was a singularity at the ...
A: This question is currently being studied by some of the best minds in physics. You're right - ...
|
| speed of light | 4/20/2007 |
Q: in special relativity speed od of light is constantn & works as a linkage of connecting space & time ...
A: The energy of the early universe has not been estimated with any certainty. The assumption of ...
|
| speed of light | 4/18/2007 |
Q: in special relativity speed od of light is constantn & works as a linkage of connecting space & time ...
A: You're probably referring to Einstein's statement that "according to the general theory of ...
|
| Big Bang | 4/15/2007 |
Q: In the book "Death by Black Hole, Dr. Tyson states that at the Big Bank plus 1 second, the universe ...
A: To answer the main point of your question, yes, gravity overwhelms the apparent recession of ...
|
| Big Bang | 4/14/2007 |
Q: In the book "Death by Black Hole, Dr. Tyson states that at the Big Bank plus 1 second, the universe ...
A: Very observant! I'll have to qualify my remarks with the fact that I haven't read Tyson's book. ...
|
| heliosheath | 4/12/2007 |
Q: i just heard about the heliosheath. i have two questions if you will, (not very easy ones, i fear) ...
A: That's the sort of feedback I'll accept! Actually, I was accepting feedback for years, but decided ...
|
| heliosheath | 4/11/2007 |
Q: i just heard about the heliosheath. i have two questions if you will, (not very easy ones, i fear) ...
A: We've "known" about the heliosheath (theoretically) at least from the late 1950's. In 1957, S. ...
|
| Supernovae | 4/1/2007 |
Q: I've been reading up on the Permian-Period extinction theory and was wondering how close a supernova ...
A: There's been considerable research into this lately. We'll look at it from two ways: The first is ...
|
| BOL | 3/3/2007 |
Q: Recently you considered a question i had ...
A: You are correct - particles accelerated along field lines near a sunspot is essentially the same ...
|
| What caused/came before the big bang? | 3/3/2007 |
Q: Is it posible that as the universe ages black holes become more numerous and or grow larger & ...
A: You've asked a very profound question. But the short answer to your question is "yes", what you ...
|
| Variability of information | 2/28/2007 |
Q: Gort, Over the decades as we read and learn about astronomy and physics one thing stands out and ...
A: I agree with what the article points out. Especially in astrophysics. I sometimes tell my class ...
|
| cosmology | 2/27/2007 |
Q: I read today that the Hubble constant is supposed to give us the speed that galaxies recede from ...
A: Yes, the Hubble constant seems to work for "nearby" galaxies, but once you start getting speeds ...
|
| What Did I See? | 2/26/2007 |
Q: Yes, there may be (and probably is) a mundane explanation for what I saw. I live fairly close to ...
A: Yes, I can confirm there's no astronomical phenomena which meets that description. Except one last ...
|
| cosmology | 2/26/2007 |
Q: If the Universe is fifteen billion years old and the furthest stars are fifteen billion light years ...
A: I think the confusion stems from the familiar terms of "age" and "expanding". With the universe, ...
|
| What Did I See? | 2/23/2007 |
Q: I recently saw what appeared to be a normal star whose brightness intensified perhaps tenfold, then ...
A: This is difficult to determine, but I don't think it was a star. If it was fairly low in the sky, ...
|
| SUN | 2/21/2007 |
Q: Why do Sun get brighter in Noon then in early morining?
A: The sun appears brighter around noon because the sun's rays are most direct then. At noon, they ...
|
| Big Bang | 2/16/2007 |
Q: I know the scientific evidence for the Big Bang, but what I don't understand is why "we" see no edge ...
A: The problem I think you're having is the name "Big Bang". A "bang" implies an explosion of ...
|
| Neutron Stars | 2/13/2007 |
Q: Prof. Gort, I have a question about what it would be like to be on a neutron star. Years ago in an ...
A: What you heard is partially true. But it's even more astonishing that that. The average density in ...
|
| Planet formation | 2/12/2007 |
Q: James Gort, Thank you for the in depth answer. It helped to answer the question. However, I would ...
A: I think the best explanation may come from Wikipedia, under "cold welding". That states: "It is ...
|
| "earth flares" | 2/11/2007 |
Q: Do you think it's feasible that earth could produce "earth flares?" Like "solar flares" but these ...
A: You've asked a very interesting question! I've not heard such a theory proposed before, but I've ...
|
| Planet formation | 2/11/2007 |
Q: When a rocky planet is forming, how do the pieces of rock "stick" to each other? In the 70's I heard ...
A: The condensation process (in which planets were formed from the solar nebula) began to be studied ...
|
| Observing Satellite by Naked eyes | 2/3/2007 |
Q: Is it possible to see a satellite using our naked eyes. I recently saw an object in the sky in the ...
A: Yes, you can see many satellites with your naked eyes. None of them (to my knowledge) have exterior ...
|
| JUSTIFY The Big Bang | 1/12/2007 |
Q: Scientists say the universe is expanding. That's their evidence for the big bang. But scientists now ...
A: If you want me to justify the Big Bang, then you've asked the wrong person. If, on the other hand, ...
|
| What Did I See???? | 1/8/2007 |
Q: This occurred late in the evening, around 10pm. Although I would have loved this to have been an ...
A: That makes sense, if it wasn't seen by you for a couple of hours. Perhaps the military is covering ...
|
| What Did I See???? | 1/8/2007 |
Q: I witnessed something which has puzzled me for many years. Now that we have the internet, I ...
A: This is a pretty difficult one, but I'll do my best. First of all, I can confirm what it was not. ...
|
| Multiverse? | 12/27/2006 |
Q: Gort. I have a question related to the idea of a multiverse. I realize this is probably considered ...
A: You've asked a very interesting and intriguing question. But one we may never know the "answer" to. ...
|
| super nova | 12/19/2006 |
Q: what happens if the core is able to produse iron before imploding
A: If a star is more massive than about 8 times the solar mass, it is able to produce iron through ...
|
| neutron stars/ pulsars | 12/16/2006 |
Q: RE:"To answer your first question, all pulsars are neutron stars (currently accepted models!), but ...
A: A pulsar is just the observational evidence for certain neutron stars - ones that are oriented ...
|
| neutron stars/ pulsars | 12/15/2006 |
Q: So... there are neutron stars that do not rotate, but still expel EM radiation? By inference these ...
A: Yes, a non-rotating neutron star (which could very likely still emit strong EM radiation from its ...
|
| aurora borealis (sp?)/ Northern Lights | 12/15/2006 |
Q: I saw today on the news that the northern lights may be seen in Kansas tonight. I need to know what ...
A: That's very difficult to predict. It depends on what materials were ejected by the sun, how fast ...
|
| neutron stars/ pulsars | 12/14/2006 |
Q: 1. Are neutron stars and pulsars the same? 2. Are black holes a hole in space/time, or is there a ...
A: To answer your first question, all pulsars are neutron stars (currently accepted models!), but not ...
|
| "we are stardust" and "we are nuclear waste | 12/14/2006 |
Q: hey James,Can you help me out with the quotes "we are stardust" and "we are nuclear waste" in terms ...
A: According to the currently accepted theory of stellar evolution, we are both "stardust" and "nuclear ...
|
| Astrology? | 12/8/2006 |
Q: What is the next month during which a full moon will not be seen in Wilmington, DE?
A: Because the lunar month (the time between successive new moons or full moons) is 29 days, 12 hours ...
|
| A question about black holes | 12/2/2006 |
Q: I am a student from Israel. I'm doing a school project about "Black Holes", and i have a question I ...
A: In the center of a black hole, there is mass. According to Einstein, all mass distorts ...
|
| hi | 11/24/2006 |
Q: i was just wondering how many times have you seen black holes?and have you ever seen Ufo's?
A: I've never seen a black hole. No one has. They're black and so they're invisible. But we can see ...
|
| Astronomy | 11/5/2006 |
Q: Why can we never see a full moon in the sky at mid-day?
A: The full moon means that the sun is on the opposite side of the earth, illumimating the moon. If ...
|
| Speed | 10/26/2006 |
Q: I know the earth travels about 67.000 mph around the sun to make it all the way around each year. ...
A: There is new data coming in on this all the time, mainly from the Hippararchus satellite. But a ...
|
| big bang and age of everything | 10/10/2006 |
Q: O K, thanks...... Just how old is the cosmos/universe ? I have read where it's anywhere from 15 ...
A: This one's easier to answer. One current model (the most widely accepted) puts the universe at ...
|
| big bang and age of everything | 10/9/2006 |
Q: How can astronomers say they are looking at the universe only a few billion years old if we were ...
A: You've asked a very profound question. And one I've not seen raised very often. I wish I had an ...
|
| Multiple universe | 10/6/2006 |
Q: Are we the only universe in space, it seems this would be the same as assuming we are the only ...
A: Well, there's nothing in any known physical law which would prohibit multiple universes. And ...
|
| Black Holes and the Big Bang | 9/30/2006 |
Q: If I understand correctly, a black hole results when a star more that a few times the mass of our ...
A: Your idea of black hole formation is essentially correct, except the star starts with a mass over ...
|
| the Sun | 9/18/2006 |
Q: What is the real name of the sun?
A: The Sun is the only English name for the star which warms our solar system. The term is derived ...
|
| Asteroid Belt | 8/28/2006 |
Q: Wow! You knew Prof. J. Allen Hynek?! I am a big fan of Jacque Vallee. It's really neat you were ...
A: To be honest, I haven't kept up on a lot of recent research in this area. But I'm very glad to see ...
|
| Asteroid Belt | 8/28/2006 |
Q: Does this theory hold any scientific merit, if not why? ...
A: You've asked the right person. Many scientists would discount this theory as "outside the ...
|
| Black hole | 8/27/2006 |
Q: I have many questions about Astronomy but I will ask some few only: 1) What is the end of a black ...
A: 1) If you're asking whether a black hole will have an end and eventually die, the answer is ...
|
| Photographing the earth from space | 12/31/2005 |
Q: Howdy do. If one were in geostationary orbit, hanging out with all the cool satellites, and one were ...
A: Since the geostationary satellite is 26,000 miles up, and the earth is about 8000 miles in diameter, ...
|
| Measuring Degree of Ellipticity | 12/30/2005 |
Q: How can I quantify the degree of ellipticity of various oval shapes or orbits? Can I measure the ...
A: Yes, that's the only scale I'm aware of to quantify the eccentricity of an ellipse. But you've hit ...
|
| Measuring Degree of Ellipticity | 12/29/2005 |
Q: How can I quantify the degree of ellipticity of various oval shapes or orbits? Can I measure the ...
A: Yes, you can measure the widest point (call this length 2a) and the narrowest point (call this ...
|
| Cosmology | 9/2/2005 |
Q: if the Universe is actually open in geometry and there is an end to it (far beyond our horizon)then ...
A: You're asking something beyond all scientific knowledge. But if you're asking for a guess, I can ...
|
| Space | 9/1/2005 |
Q: 1) Do all galaxies rotate counterclockwise? 2) How fast is our Solar System rotating around the ...
A: 1) No, galaxies rotate in random directions and orientations. By the way, the appearance of a ...
|
| moon | 8/27/2005 |
Q: Can the moon at times be seen by both sides of the world at the same time? Since I have seen it ...
A: The way you phrase the question, I'd have to say "sometimes". If we see the moon just rising in the ...
|
| space | 8/25/2005 |
Q: None of the Galilean satellites have an atmosphere that is anything like as substantial as Titan, ...
A: You've asked a very interesting question, and one subject to much current research. As you probably ...
|
| astrophotography | 8/19/2005 |
Q: i want buy a digital camera for astrophotography but my budget is limited, is it suitable to buy ...
A: I'm not up on all the latest equipment, but you want to ensure that there's a "bulb" mode and good ...
|
| Moon's Orbit | 8/17/2005 |
Q: Man made "space junk" as it orbits earth eventually enters back into the earth's atmosphere and ...
A: You've asked an extremely difficult question, requiring a good deal of orbital mathematics to prove. ...
|
| mass, speed and gravity | 8/5/2005 |
Q: here is my last question. light travels at the speed of light so is that affected by time also what ...
A: You can think of light as the "carrier of time". As you go faster, time slows for you (as measured ...
|
| mass, speed and gravity | 8/3/2005 |
Q: If like you said that it would be impossible for an object to go at the speed of light if somehow ...
A: As I said, an object going at (or above) the speed of light would be seen to become infinite in ...
|
| mass, speed and gravity | 8/2/2005 |
Q: if a large object was traveling through space at the speed of light or more, will it hae gravity? ...
A: That's an interesting thought question, but it might not be possible to test, because Einstein said ...
|
| Mars | 7/26/2005 |
Q: I received this email yesterday. CLOSE ENCOUNTER WITH MARS Never again in your (or my) ...
A: Yes, that was an old clipping from 2003. In August, 2003, Mars made its closest approach to Earth ...
|
| historical accounts | 7/23/2005 |
Q: I'm a recent college grad. I was talking a lifer friend of mine (he's been in college for 6 years) ...
A: A. For the first question, I am not familiar with the earth being "one day behind". From a ...
|
| Void | 7/21/2005 |
Q: Do we have a hypothesis or deduction with regard to what could be a void (something that lacks ...
A: First, I'll give you my view (based solely on an opinion and not much research), but then I'll give ...
|
| Astronomy, Moon Orbit | 7/20/2005 |
Q: Since I was a child I've noticed that the moon rises & sets pretty much between the same positions ...
A: Good observation! As you know, the ecliptic is the path the sun appears to follow. Since it's ...
|
| Astronomy | 7/17/2005 |
Q: im trying to buy a telescope for about £100 +- $170 i found two but im not sure which one to buy. ...
A: The most important part of any telescope is that it is actually used. So a telescope must be easy ...
|
| seeing back in time | 7/12/2005 |
Q: When we look at distant galaxies (or other distant objects), we see them as they were a very long ...
A: Mike, That message was a follow-up to the original message. Perhaps you didn't receive it. But ...
|
| Solar physics | 7/5/2005 |
Q: about solar lightning Dear Professor Gort, Thank you for your very lucid explanation of lightning ...
A: Actually, we get light only indirectly from the interior fusion reactions. All the radiated photons ...
|
| Solar physics | 7/5/2005 |
Q: I was recently at a site called: The Surface of The Sun ...
A: This is exactly the sort of question that "AllExperts" is all about. I'm very glad you asked me. ...
|
| Travelling to Mars at the speed of light | 6/20/2005 |
Q: How long would it take, on average (considering that Earth and Mars might be in different stages of ...
A: This is a very difficult question to answer "correctly", and much depends on what you mean by "on ...
|
| galectic formation | 6/18/2005 |
Q: GALACTIC SEEDS The rapid formation of galaxies has been problematical to cosmologists. The ...
A: First, let me preface my remarks by saying that my expertise is not in cosmology, but I am an ...
|
| The Hubble Telescope | 6/14/2005 |
Q: Where is the Hubble Telescope, sir?
A: The Hubble Telescope orbits the earth at an average altitude of about 352 miles. If you'd like to ...
|
| What colour are the planets? | 6/13/2005 |
Q: 1. What colour are the eight planets: mercury, mars, jupiter, venus, neptune, saturn, pluto, and ...
A: 1. I think the best site I can recommend is ...
|
| Mars | 6/11/2005 |
Q: Gort, Is it correct, or is it a hoax, that ...
A: Richard, I forgot to mention - this is considered the most favorable period for telescopic ...
|
| Shoemaker Levy | 6/9/2005 |
Q: I have read much of the impact of Shoemaker Levyon Jupiter, what I want to know is... How big were ...
A: About 20 large fragments (which were seen and identified from space and ground observatories) ...
|
| Magnitude | 5/31/2005 |
Q: How can we measure magnitude of stars by a CCD camera? And how can we precisely do it? Sincerely.
A: Glad to see you're interested in pursuing some real science! The short answer is easy, but the ...
|
| Balance point betwen earth and moon | 5/26/2005 |
Q: I recall several years ago reading about three points in space between the earth and the moon where ...
A: I think you're referring to LaGrangian Points. There are five such points in the earth-moon system. ...
|
| The line | 5/20/2005 |
Q: I've got a picture of how he explained it. The information you gave me did ring a bell - moreso the ...
A: Tom, The time for a complete revolution around the center of the galaxy is 220 million years, so ...
|
| The line | 5/19/2005 |
Q: my teacher was talking about our galaxy and how the earth moves very slowly over a line or some ...
A: I'm not quite sure what you teacher was referring to, but I'll try and help. The sun is located ...
|
| Recently Polarized Sunlight | 5/13/2005 |
Q: I and some acquaintences have recently noticed that around sunrise and sunset sunlight seems to be ...
A: Good observation! I'm not sure what's causing it - it could be a volcano, additional air pollution ...
|
| Earth and Planets | 4/22/2005 |
Q: If the Earh stopped revoling around the Sun would the other planets in our solor system be sffected?
A: If the Earth stopped revolving around the Sun (and crashed into the Sun because it wouldn't be in ...
|
| space adventure | 4/22/2005 |
Q: Have you ever been into space? If yes please discrab you exerinces and fealing about what you saw in ...
A: The Canadian Astronaut's Program was set up by Canada to train Canadians for space travel. Canada ...
|
| earth and sun | 4/22/2005 |
Q: have you ever been in space? because i have a question for you. What would happen if the earth ...
A: I have never been in space. If the Earth stopped revolving around the Sun, the Earth would not go ...
|
| Earth and Sun | 4/22/2005 |
Q: If the Earth stopped revolving around the Sun would the Earth slowly go closer to the Sun? Also ...
A: If the Earth stopped revolving around the Sun, the Earth would not go SLOWLY closer to the Sun, but ...
|
| space adventure | 4/20/2005 |
Q: Have you ever been into space? If yes please discrab you exerinces and fealing about what you saw in ...
A: No, I've never been in space. But I did apply to the Canadian Astronauts Program. Thousand of ...
|
| moon | 4/20/2005 |
Q: If you cut the moon in half what would it look like?
A: The moon does not have a liquid core like the earth does. It has a thin layer of dust on the ...
|
| Moon | 4/20/2005 |
Q: What would happen if the moon stopped revolving around the earth? How would our tides be affected? ...
A: If the moon was not there at all, the tides would be one-third as high (since the moon causes ...
|
| Earth's rotation | 4/19/2005 |
Q: What would happen if the earth stopped rotating gradually?
A: Sarah, The days would get longer than 24 hours, until one side of the earth would always be day, ...
|
| Astronomy | 4/14/2005 |
Q: Can you explain me why: 1-"In 2005, the "Winter Solstice", or the northern hemisphere tilted the ...
A: Look up "Winter Solstice" on Google. The short answer is because the earth's axis is tilted about ...
|
| Astronomy | 4/14/2005 |
Q: "What night is the longest night of the year?" Thank you very much! A.Vafa
A: In 2005, the "Winter Solstice", or the northern hemisphere tilted the greatest amount away from the ...
|
| strange question | 4/8/2005 |
Q: My question is going to sound a little crazy but please If u can answer it, Then please do. ...
A: Hassan, There are no crazy questions - only crazy answers! And I hope this isn't one of them. The ...
|
| galaxy question | 4/2/2005 |
Q: Is there a mathematical equation that represents a spiral galaxy such as the milky way? If so, ...
A: The best source I know of which can help answer your question is a book entitled "Spiral Structure ...
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| Astronomy/solar system | 12/31/2004 |
Q: Is "What is the difference between Earth's moon and Pluto's moon" a project i can do for a ...
A: A science fair teaches "Independent research" (like a real scientist does). So look up "Charon" and ...
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| Aviation and Space Science | 12/30/2004 |
Q: My organisation [NYDT] set up the Africa Space School for schools in [Southern] Africa. We have an ...
A: I would be most happy to participate. Currently, I am a Professor of Astrophysics at the University ...
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