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Astronomy/Questions Answered by Expert Jayendra Upadhye
| Subject | Date Asked |
| star | 1/26/2010 |
| Q: What is the first sunlike star to possess a planet? A: THAT we will never know. The sun is a 2nd / 3rd generation star. In the spiral arms of countless ... | |
| Stars & Electric | 1/14/2010 |
| Q: Jayandra, some time back i read a web page that was claiming that the sun could be a ball of ... A: David! You are confused!! Too much pseudo science is doing the rounds in the USA. There was this ... | |
| expansion vs spatial distances | 12/31/2009 |
| Q: I have a "simple" question about universal expansion and perception of that. First it is more than a ... A: I had these doubts when I was very young. I dont ofcouser know how old you are. Actually, all space ... | |
| Some Black Hole Questions | 12/26/2009 |
| Q: Would there be a way to destroy a Black Hole other then waiting for it to expel all its Hawking ... A: Sorry for the delay, I have very limited cyber access. Too many questins. Most of your questions ... | |
| Centaurus | 12/21/2009 |
| Q: Can the constellation Centaurus (more specifically "The Southern Cross") be seen from Southern ... A: Sorry for the late answer, I have restricted access to the net these days, due to a medical ... | |
| Universe | 12/12/2009 |
| Q: Is the universe finite or infinite? If it is finite, how big is it? A: We cannot say for sure. Science is largely conjectural about this. The observable univere is 15 ... | |
| Science of an Intelligent Universe | 12/11/2009 |
| Q: Greetings Jayendra, My work on www.ascensionq.20fr.com is religion and science based and is a ... A: Ha! Sorry, my web access is severly limited as I am working away frm home in Infosys Pune. I already ... | |
| Hubble telescope and its findings | 9/25/2009 |
| Q: The Hubble has viewed points in space that they say are from 13.5 billion light years ago. Is ... A: Yes and No. Yes because in a "day to day" sense, hubble and us would see the events roughly 8 ... | |
| singularity | 9/10/2009 |
| Q: I asked a question about black holes a bit agao and I just would like to clear something up. I've ... A: Marc I thought I was unambiguous. Black holes are just as dangerous as stars are to planets that go ... | |
| singularity | 9/10/2009 |
| Q: I asked a question about black holes a bit agao and I just would like to clear something up. I've ... A: The beauty of physics and maths is that we can break down the larger issues into the smaller ones. ... | |
| feeding black hole | 9/7/2009 |
| Q: How long would it take the super massive black hole at the center of our galaxy that has begun to ... A: I really dont know why people are so misled on black holes. Take the elementary case of a planet ... | |
| Sun and Earth | 9/2/2009 |
| Q: I have recently heard that the sun's Magnetic field was reversed back in 2008 with the sunspot cycle ... A: Opposing poles attract! There may be truth in that, but if I were to say "So what!! That has been ... | |
| Sol's orientation to the galactic plane | 8/27/2009 |
| Q: Since the sun and its planets were formed from an accretion disk of materials, similar to the ... A: Yes! As per the latest, we "most probably" got captured from the Sagittarius Dwarf galaxy, which the ... | |
| Protostar | 8/26/2009 |
| Q: If a new star can form from the remnants of a former star, how can this be, since the former star ... A: You are getting this slighly wrong. "New stars form from old stars" does NOT mean that the debris of ... | |
| time | 8/24/2009 |
| Q: I saw a special on the science channel that theorized that time travel was possible either through a ... A: First of let me tell you that I know next to nothing about this subject! And certainly not, the ... | |
| venus | 8/21/2009 |
| Q: well i think its venus but i am sittin on my sofa at 11:30pm and a very bright light in the corner ... A: No connors! THAT is old Jupe! If you are lucky enough to have a pair of very good sailor's binocs ... | |
| Seeing objects from the beginnings of the Universe | 8/18/2009 |
| Q: My question focuses on how we are in a position within the universe to see light from ancient ... A: No No, Jeffry, hold your horses! Its not as if the bang happened and events preceeded our existence ... | |
| Temperature in the universe | 8/18/2009 |
| Q: Hai Sir, It's me again, Steffi. The temperature in the universe is assumed to be 2.726K. Does that ... A: No No! I think you are a bit mixed up here. The temperature of the universe is NOT constant. 15 ... | |
| very bright star | 8/17/2009 |
| Q: I'm in Minneapolis, MN and I noticed a very bright star in the northeastern sky, many times brighter ... A: You saw Venus! There is no other that matches it in brightness, except Canopus and Sirius. But ... | |
| Perseid Meteors | 8/12/2009 |
| Q: If the earth and sun are in constant motion and all bodies in the solar system must have orbital ... A: Very good question! Let us for a moment forget the persieds and comets. The earth regularly has been ... | |
| Appearance of Charon | 8/12/2009 |
| Q: How large would Charon appear in the sky of Pluto, or vice versa? Degrees of arc would be a clear ... A: The average distance between Pluti and Charin is 19570 km. [refer:- ... | |
| tools | 8/8/2009 |
| Q: If I were living during the days of Johannes Kepler what tools and theorys would I be able to use to ... A: Frankly, I do not know! Because at best, you would be able to reach the value of the G*M product. ... | |
| gravity | 7/23/2009 |
| Q: http://en.allexperts.com/q/Astronomy-1360/2009/6/gravity-1.htm I detected you were a bit concerned, ... A: You mean if magnetic fields influence gravity. There is no evidence for this. However the people ... | |
| Yin and Yang/Chinese astronomers. | 7/22/2009 |
| Q: I came across (on the Internet) the fact that the Yin and Yang symbol was discovered by Chinese ... A: Michael, we have to understand that 2000 years or 4000 years back, global society did not exist as ... | |
| orbit | 7/15/2009 |
| Q: I've finished 12th standard. Earth is revolving around the sun in an elliptical orbit and the moon ... A: I am terrible at maths! So bear with me. :) 1 - Sun Earth system. The sun has a dia of more than a ... | |
| Cores of Planets | 7/14/2009 |
| Q: I understand how we can determine the content of a planet's atmosphere with spectral analysis but ... A: In my language there is a saying. That to judge all rice, all one needs to do is inspect a grain ... | |
| science | 7/4/2009 |
| Q: What is the Milky Way? and how did it happen? A: Sorry for the delay. The milky way is quite quite old, and yet not as old as the elliptical ... | |
| Big Bang. | 6/28/2009 |
| Q: I had written to you a month back regarding educational queries.Thank you so much for your help sir ... A: No Steffi, I am not aware of any such reactions. And I am not clear what you mean by reactions. ... | |
| gravity | 6/21/2009 |
| Q: I have a question about gravity. If i understand correctly gravity isn't well understood? But ... A: No. Reasons:- 1 - Magentic fields cause electrons to describe rotation in a plane at right angles to ... | |
| Big Bang. | 6/21/2009 |
| Q: I had written to you a month back regarding educational queries.Thank you so much for your help sir ... A: Steffi, Indeed it is so. Because it takes 1/2 a minute to say "hey all this big bang stuff is Bull, ... | |
| dark matter | 6/9/2009 |
| Q: is it possible that dark matter is cosmic strings rotating about the galactic plane? Thankyou. ... A: Richard, Thank you for not getting angry etc. I have learned one thing in life, even if you run the ... | |
| dark matter | 6/8/2009 |
| Q: is it possible that dark matter is cosmic strings rotating about the galactic plane? Thankyou. A: I admit defeat!! :) I would be doing something terribly wrong even to surmise anything about ... | |
| moon | 6/7/2009 |
| Q: how is crater density used in the relative dating of features on the moon? A: It has been observed that the far side of the moon has more craters than the near side, where the ... | |
| time being relative | 6/4/2009 |
| Q: how and why is time relative? relative to what? A: relative to the observer! If you are moving very fast, time will slow for you, but you will not ... | |
| Relgation of Steady State Theory as Static Model | 5/19/2009 |
| Q: Not sure how it started, but there appears to be a perception that the Steady State Theory of the ... A: Ok, understood. But dont get me wrong, again one more fallacy has crept in. NOTHING within the ... | |
| Relgation of Steady State Theory as Static Model | 5/16/2009 |
| Q: Not sure how it started, but there appears to be a perception that the Steady State Theory of the ... A: After reading through your latest writeup, I am convinced all the more, neverto take oneself too ... | |
| Relgation of Steady State Theory as Static Model | 5/15/2009 |
| Q: Not sure how it started, but there appears to be a perception that the Steady State Theory of the ... A: I happened to read one of the books written by Fred Hoyle himself, and Fred Hoyle was one of the ... | |
| Astrophysics/ Astronomy/Physics | 5/4/2009 |
| Q: R/Sir, I am presently a student of class 12th.I love physics and astonomy and i have read a few ... A: Kavyanjali, sorry, I have no such knowledge. I knew of these institutions because there are papers ... | |
| Big Bang. | 4/26/2009 |
| Q: I had written to you a month back regarding educational queries.Thank you so much for your help sir ... A: Steffi, you are obviously young, and the main issue with youth is that it hates it when there are no ... | |
| Astrophysics/ Astronomy | 4/25/2009 |
| Q: R/Sir, I am presently a student of class 12th.I love physics and astonomy and i have read a few ... A: Kavyanjali, If you want to prosper, do physics, if you want to be happy and live a contented life ... | |
| Micro/Macro Universes | 4/24/2009 |
| Q: Question I am about to ask is derived from most likely broken notions of cosmology that travel ... A: All this type of unprovable/disprovable stuff should be kepy out og science, as science can only be ... | |
| Astrophysics | 4/20/2009 |
| Q: R/Sir, I am presently a student of class 12th.I love physics and astonomy and i have read a few ... A: Kavyanjali! Meaning the same as Geetanjali..a very nice name. Coming to your question, I would ... | |
| Space curvature. | 4/19/2009 |
| Q: would an area of space subject to maximum gravitational curvature such as singularities and super ... A: No, one cannot say such a thing. That would be like saying that a very small ball on the tip of a ... | |
| black holes and the universe | 4/16/2009 |
| Q: i was reecently watching a tv show about space and astronomy and this person (cant remember the name ... A: In science, one does NOT speculate on what is NOT proven or known. So truly what can one say? It is ... | |
| satellite orbit | 4/13/2009 |
| Q: Is it right to say that a geostationary satellite is travelling with the same speed as that of the ... A: There are always two speeds! You are referring to the linear one (tangential velocity amplitude ... | |
| The variety of star size | 4/11/2009 |
| Q: I haven't found anywhere an answer to this question. I find it surprising that stars are so variable ... A: Wow! Paul, your question is most original. But I think the answer is simple. The surface layers of ... | |
| Gravity | 4/6/2009 |
| Q: Do scientists know exactly what gravity is. A: It is the best known open secret that scientists rather agree that they know very little. That keeps ... | |
| Measuring the sizes of the moon crates | 4/5/2009 |
| Q: I was going to do a project on the impact of the moon craters but my teacher suggested me to do it ... A: QED. Quite easily done. The size of the moon is known. Its diameter is known. Unless the crater is ... | |
| chandra x-ray observatory | 4/3/2009 |
| Q: The Chandra X-Ray Observatory has detected X rays from a star system that contains a main-sequence ... A: Mansi, I am surprised when you mention a binary, how come you neglected doppler spectroscopy? The to ... | |
| Neutron Stars and Black Holes | 3/27/2009 |
| Q: I was wondering if you could please help me classify the following as being a characteristic of ... A: a) is detectable only if it is accreting gas from other objects Balck hole only. b) may emit ... | |
| Stellar Corpses | 3/27/2009 |
| Q: 1) can have a mass of 1.5 solar masses 2) may be in a binary system that undergoes nova explosions ... A: 1) can have a mass of 1.5 solar masses Only a neutron star can do that, as a white dwarf explodes as ... | |
| expanding universe | 3/22/2009 |
| Q: What do you think of my thoughts explaining the accelerating expanding universe ?:::: I just ... A: Oh Dear! (That's all i could think of on the spur of the moment!) That also means you are in an ... | |
| expanding universe | 3/20/2009 |
| Q: What do you think of my thoughts explaining the accelerating expanding universe ?:::: I just ... A: First of all accept my congratulations for thinking by yourself, and for saying (I think) at the ... | |
| time | 3/17/2009 |
| Q: please correct me if I am wrong!) then everyone on the surface of the planet can use the same time ... A: 1 - The weight or gravitational force on earth will vary as per the inverse square law. Mutual ... | |
| elliptical space travel | 3/14/2009 |
| Q: Why can't the Cassini–Huygens space craft travel above or below the Asteroid Belt and the rings of ... A: How old are you? Because I sense something rebellous / ill at ease / in this question. I must admire ... | |
| time | 3/13/2009 |
| Q: please correct me if I am wrong!) then everyone on the surface of the planet can use the same time ... A: Yes and No! Yes because for all practical purposes you will share his time, down to the last ... | |
| Educational | 2/28/2009 |
| Q: I am studying in 11th std in Pune,India.I want to go for Astrophysics but not sure of the ways.In ... A: Steffi, I am not sure either. I have been out of touch with academic world in India, and so truly ... | |
| Black dwarf | 2/18/2009 |
| Q: What is the definition of a black dwarf? A: I was about to answer, "one that was with snow white"! Humor apart, A cool white dwarf..such ... | |
| moon's receding orbit and angular momentum | 2/18/2009 |
| Q: I am having trouble understanding the physics of a question that has been asked before here. Your ... A: John..John!!.. You had to ask me this now! :) I am dead busy in project work. What i ll do is lead ... | |
| Life cycle of a star | 2/18/2009 |
| Q: What is the complete life cycle of a normal star, starting with a protostar and ending with a black ... A: The protostar. In this phase of the star's life, the star has an accretion disk. Depending on the ... | |
| Star in the night sky. | 2/13/2009 |
| Q: I'm into star gazing. I live in Bangalore, India. From 2 weeks I have been observing a bright star ... A: Avinash, it is the famed star named after the rishi that first crossed the Vindhya range, Agastya. ... | |
| frequency of the solarsystem's wave-like path thru the galactic plane | 2/12/2009 |
| Q: My google search for the Milky Way's (Galactic) Plane brought up your answer to a question on page: ... A: Mike, I gave my reference !refer:- http://en.wikipedia.org/wiki/Sun further links: 1 - ... | |
| Solar and planetary composition | 2/10/2009 |
| Q: I was hoping you could help me with the followingGiven that the sun is composed mostly of hydrogen ... A: No! The relative abundance of elements in all parts of the solar system is the same. Except, on the ... | |
| earths rotation | 2/9/2009 |
| Q: i havnt noticed before, but i was watching the moon at about 130 in the morning in the united states ... A: Jeff, No no..the earth is still faithfully doing that which it has done for 4.5 billion years! It ... | |
| distance of atmosphere | 2/6/2009 |
| Q: Average distance of greenhouse gss to earth's surface,core and size of sphere generated? Average ... A: John! Why this question? And what does one achieve by all this? Just curious. Because the green ... | |
| Dark energy | 2/3/2009 |
| Q: Jayen, Is there evidence of dark energy being present anywhere other than inter-galactic space? ... A: Much of cosmology is theoretical in its nature, as even if measurable quantities are found they are ... | |
| Andromeda is coming! | 2/1/2009 |
| Q: Sometime ago, i read that the Andromeda galaxy is heading towards us. I believe i'm correct in ... A: David, 1 - The earth does pull us all. Correct? 2 - It also pulls at the moon and the satellites we ... | |
| Dark energy | 1/28/2009 |
| Q: Jayen, Is there evidence of dark energy being present anywhere other than inter-galactic space? ... A: Dark energy has two forms. 1 - The cosmological constant. 2 - scalar fields. The cosmological ... | |
| Coriolis effect on a tidally locked body | 1/21/2009 |
| Q: All the buzz surrounding Titan a few years ago had me wondering about possible storms in the ... A: All phase-locked satellites (including our moon), experience a gravitational gradient from the point ... | |
| use of big bank theory | 1/17/2009 |
| Q: if we are successful in experimenting this big bank theory .......how it would be useful for us in ... A: Guru! Why is it that Indians always have to speak bad english on this site? And your name is Guru! ... | |
| iit | 1/16/2009 |
| Q: i study in 10 class . sir i want know that for doing iit .I should choose banglore or kota.. please ... A: Truly speaking, i will not be able to guide you on this one. I was in the field (studying) god knows ... | |
| cosmology | 1/12/2009 |
| Q: sir now i am in class 11 th having subject pcm+c++ i want to be an cosmologist so what should i do? A: If I am not mistaken, you already asked me some question some time back. If you want to be a ... | |
| theoretically possible? | 1/10/2009 |
| Q: With what we know about the universe today: can a moon be habitable to humans (having its own ... A: Nothing is ever impossible in this universe! There are countless galaxies in it, and 100 billion ... | |
| Astronomy | 1/1/2009 |
| Q: Do stars actually produce sound you could hear. I ask because of the thousands of nuclear reactions ... A: Very important question. Indeed had the vacuum of space not intervened, we would all be struck dumb ... | |
| Nibiru | 12/28/2008 |
| Q: I would really like your insight into the "Planet X" or "Nibiru" claims going around at the moment, ... A: One never knows! That is the thrill. But just think! The earth has endured for 4.6 billion years. ... | |
| metorite tail | 12/17/2008 |
| Q: How long (average) is the tail of a meteorite (falling star)? A: (lovely name reminds me of space). Most meteoric matter travels about 20 to 40 km/sec with respect ... | |
| asrophysic | 12/16/2008 |
| Q: sir.I am studying in class 10 .In future i want to do research in space but i don't know that after ... A: Utkarsh! A very good ambition indeed. But it all depends how well you score! It is a very highly ... | |
| Main-sequence stars | 12/13/2008 |
| Q: can you sort these stars from oldest to youngest? (if some are the about the same age, can you state ... A: lets see.. 1 - red main sequence star in globular clusterM13 (about same) 2 - red giant in globular ... | |
| einstein and eddington - photographic proof of planets mass bending light | 12/5/2008 |
| Q: This is to do with Alfred Eddington proving Einstein’s theory of relativity by using the eclipse of ... A: I understand. However, the stars being what they are, in terms of immovability over relatively short ... | |
| Night sky in Arizona | 11/30/2008 |
| Q: I live at the Grand Canyon and tonight I looked in the northwest sky and saw 2 very bright stars. ... A: In all probability you saw 1 - Venus which is the most westwards. 2 - Closely follwed by Jupiter. ... | |
| bright lights | 11/25/2008 |
| Q: There are four very bright lights in the southeast sky at about 630 pm in Chesapeake Va. I assume ... A: As per this site, your Latitude is 36.81889 . ref:- http://www.satelliteviews.net/chesapeake.htm . ... | |
| Space view | 11/25/2008 |
| Q: We know when we seee means light falls on an object and it enters in our eyes, that is what we ... A: I would like to know your age. If you are young, i can understand. if you are older, i will just say ... | |
| Alignment of Jupiter and Venus | 11/21/2008 |
| Q: What are the 3 small moons that can be seen around Jupiter? I am viewing through a telescope located ... A: Why are you asking such a simple one? I hope you are not having a sucker punch up your sleeve, to ... | |
| Astronomy! | 11/20/2008 |
| Q: you had just previously answered my question but it didnt come to my email so I am unable to rate ... A: This is what leads me to believe that some one somewhere on this site is "loading the dice". Ever ... | |
| High and Low mass stars! | 11/18/2008 |
| Q: can you tell me which of these belongs in the catagories of: 1. HIGH MASS STARS or 2. LOW MASS ... A: 1 - High mass stars:- *late in life fuse carbon into heavier elements *end life as a supernova *have ... | |
| Humidity | 11/15/2008 |
| Q: What is the best way to control humidity without heat? Would blowing air through a desiccated ... A: Found this one on the question pool. Seer! One cant afford to be so laconic regarding questions of ... | |
| matter | 11/12/2008 |
| Q: I witnessed to someone recently about God, and he opts to believe in eternal matter. He claims that ... A: The two of you are having a commendable debate! I will add my tuppence worth.. The singularity that ... | |
| astrology physics | 11/10/2008 |
| Q: How can an element like lead, which is heavier than iron, contain a proton from hydrogen? (H gas ... A: I could not grasp what you had in mind when you typed the sequence "(H gas cloud --8x ... | |
| Hubble's Constant & Age of the Universe | 10/14/2008 |
| Q: I have oneDoes Hubble's Constant imply the age of the Universe? Example: If Hubble' Constant = 70 ... A: Refer:- http://en.wikipedia.org/wiki/Hubble's_law You have used the 3.26 as the parsec to light ... | |
| Fusion | 10/13/2008 |
| Q: Could you sort out my vague thinking? I understand, it's believed that ever since the big bang ... A: Good question. Good because .. 1 - You have dared to ask something different with quite a bit of ... | |
| Black holes wrong? | 9/27/2008 |
| Q: im not very educated about physics,but am learning of my own accord,and one thing keeps bugging ... A: Ok, getting down to a bit of business, [refer:- ... | |
| Black holes wrong? | 9/26/2008 |
| Q: im not very educated about physics,but am learning of my own accord,and one thing keeps bugging ... A: You have to apply cold logic when pet theories such as yours, (and mine ..i have aplenty) come up. ... | |
| Phases of Venus | 9/22/2008 |
| Q: When would a NEW Venus be highest in the sky? ALSO, When would you expect to see Venus high in the ... A: 1 - When would a NEW Venus be highest in the sky? The "highest" it would ever be would be "only on ... | |
| Black Holes and Perception of Time | 9/21/2008 |
| Q: If the whole solar system, including earth, were already falling into a black hole, would we notice ... A: Going by the twin paradox, where the twin travelling "very fast" is percieved to have slowed down ... | |
| precession of apsides | 9/20/2008 |
| Q: I'm hoping you can help me find some information. I've read that Mercury's line of apsides is ... A: Yes! 1 - This is about lunar apside precession:- http://en.wikipedia.org/wiki/Lunar_precession 2 - ... | |
| precession of apsides | 9/19/2008 |
| Q: I'm hoping you can help me find some information. I've read that Mercury's line of apsides is ... A: To my knowledge, That happens only for mercury, and that too because its perihelion is fairly close ... | |
| what hemisphere do i use in astronomy | 9/17/2008 |
| Q: i live in Inglewood, CA in Los Angeles. Is it the north or the south hemisphere? A: I am sure susan that you are pulling my legs! It is the northern hemisphere. But do remember that ... | |
| Eclipse | 9/14/2008 |
| Q: If you could change the layout of the solar system, then what would cause a lunar eclipse to occur ... A: This is a watson-esque question! And it warrants a holmes-esque answer!! "Elementary, my dear ... | |
| Astrophysics | 9/11/2008 |
| Q: i never quite understood what happens to a black hole if its radius exceeds the Schwarzchild ... A: To my knowledge, ALL black holes ALWAYS never transcend their swartzchild radius. Because the moment ... | |
| Astrophysics | 9/10/2008 |
| Q: i never quite understood what happens to a black hole if its radius exceeds the Schwarzchild ... A: No one asked me this one before! Now let me get this right.. You are implying there are black holes ... | |
| astronomy | 9/9/2008 |
| Q: i`d like to study astronomy as a carrer in the university, but i dont know where is the better place ... A: Paola! I am shocked a bit! You who want to be an astronomer, have overlooked telling anyone in ... | |
| mass of universe | 9/8/2008 |
| Q: How does science know what the mass of the Universe is? Thanks robert A: As in most such things, it is all empirical. One knows that the sun is an "average star" and ... | |
| (the LARGE HADRON COLLIDER project) | 9/5/2008 |
| Q: I have read what you have worte about this experiment but I am still none the wiser of the possible ... A: Jamie, If you read my previous answers on this topic, (and i answered 3 times already), all i can ... | |
| Black holes | 8/25/2008 |
| Q: I know our milky way has a black hole(is there only one?) Why don't they just suck up everything ... A: Yes Vicki, 1 - There is most cirtainly a supermassive blck hole at the center of the milky way, as ... | |
| force | 8/25/2008 |
| Q: in space if i throw somethings i move opposite, everythings is weightless, so if i hold spaceship ... A: Sometimes when it is difficult for beginners to grasp (visualise, "feel" etc) what "will happen" in ... | |
| answer | 8/21/2008 |
| Q: what is dark matter.and information about dark matter. A: Dark matter was postulated for quite some time, but it first came to be seriously considered when ... | |
| comets and orbits | 8/18/2008 |
| Q: I've been wondering about the orbits of comets. Do they orbit fractionally closer each orbit? ... A: 1 - POV is Point Of View. 2 - It is NOT reduction in forward velocity. Even if a comet is rotating, ... | |
| Virgo constellation | 8/13/2008 |
| Q: Is the Virgo constellation in our galaxy? I looked up both definitions and just got very confused. ... A: All distinct stars you see in the sky belong to our galaxy only! (without exception). The nearest ... | |
| comets and orbits | 8/13/2008 |
| Q: I've been wondering about the orbits of comets. Do they orbit fractionally closer each orbit? ... A: Robert, If your mind is made up, nothing will change that! >> just thought through time the Sun ... | |
| comets and orbits | 8/13/2008 |
| Q: I've been wondering about the orbits of comets. Do they orbit fractionally closer each orbit? ... A: Robert, To my knowledge, Cometary orbits are as ubder:- 1 - The first is a class of orbits with ... | |
| space-time | 8/6/2008 |
| Q: Please explain to me why and how space and time are the same thing. Keep in mind that I'm an idiot. ... A: My God! That's a very tall order indeed! Joe, i wonder if i am upto the task. 1 - In stellar terms, ... | |
| space-time | 8/6/2008 |
| Q: Please explain to me why and how space and time are the same thing. Keep in mind that I'm an idiot. ... A: I take it by "idiot" you mean "lay person" / "beginner" / "simpleton" etc from the viewpoint of an ... | |
| stuff | 8/5/2008 |
| Q: "Eta Carina is in the large magellanic cloud, almost 100,000 ly away! " i thought it was a star ... A: Nikki, i am beginning to think either you are the most persistent girl on earth or you are pulling ... | |
| stuff | 8/5/2008 |
| Q: "Eta Carina is in the large magellanic cloud, almost 100,000 ly away! " i thought it was a star ... A: Nikki! So you caught that one..:) I said that offhand, about Eta Carina, and did not bother to ... | |
| planetary capture of satellite | 8/5/2008 |
| Q: You are just perfect for this question. I think you are as curious as I am concerning the genesis of ... A: The earth's orbital speed is 21 km/sec. The moon's orbital speed is 1 km /sec with respect to the ... | |
| Effects of time on luminosity | 8/4/2008 |
| Q: The orbit of the earth does not change around the sun and the rate of light the sun emits stay the ... A: May be. (thanks for your rating though). The thing is, a lot more thought may have to be given to ... | |
| precession | 8/4/2008 |
| Q: I wonder if you can help me with accurate dates (eras) for the precessional zodiac ages. I have ... A: You need to consult the universities that do research on this kind of stuff. MIT would be a good ... | |
| cosmology | 8/2/2008 |
| Q: I have copies of Sky & Telescope and Scientific American which have general articles on cosmology. ... A: A lot! depending on ones POV!! Here is a possible list for your consumption:- 1 - The discovery ... | |
| cosmic scale | 8/2/2008 |
| Q: If our sun was reduced to a grain of salt, how many meters away would the next closest star be? I ... A: I am not going to answer directly. Consider that the nearest star proxima Centauri is 4.3 light ... | |
| precession | 8/1/2008 |
| Q: I wonder if you can help me with accurate dates (eras) for the precessional zodiac ages. I have ... A: Ralph, I am going to answer your question in a slighly different manner than you might expect. ... | |
| Early telescope lenses | 7/31/2008 |
| Q: I'm purchasing a reproduction telescope for a library room that's decorated in an early 18th ... A: Though I am not an authority on Early European Telescopes, I do know the following:- 1 - Newton, ... | |
| whats at the end of space? | 7/31/2008 |
| Q: what's at the end of space? A: Nikki, We have to answer this very carefully. NOT jumping to conclusions imposed by minds, but ... | |
| wolf-ryaet stars | 7/31/2008 |
| Q: so let me get this straight... -so a galaxy with high metal content diffuses the spin on stars and ... A: Nikki, ask as many as you need to. I'm not complaining..only ask them separately. There are many ... | |
| diamond usages | 7/31/2008 |
| Q: please let me know whether diamonds are used in space ship or not.if yes where and why A: 1 check out this link:- http://www.dandennis.com/diamond.htm . To resist heat, the windows on the ... | |
| round 2 | 7/30/2008 |
| Q: ok, i hope this is my last question lol i rated the last answer like you wanted ... A: Nikki, I would send them the same links i sent you on the subject in one of my answers, and also ask ... | |
| moon | 7/30/2008 |
| Q: have seen through my telescope, things that move past the moon as if they were in orbit. I have ... A: Havent you heard about the famous Percival Lowell case of canals on mars?? The poor fellow was ... | |
| round 2 | 7/29/2008 |
| Q: ok, i hope this is my last question lol i rated the last answer like you wanted ... A: I guess i enjoy talking to people like you too! Iguess even if we like talking to each other, we ... | |
| round 2 | 7/29/2008 |
| Q: ok, i hope this is my last question lol i rated the last answer like you wanted ... A: Nikki, If you remember, i said "I choose not to say a word" on the wolf riet star or something to ... | |
| first magnitude stars | 7/25/2008 |
| Q: When I hear the term "first magnitude star" I have figured in the past that the star would be at ... A: I believe, when one says "a first magnitude star", one means magnitude 1 and above, until 2. Its ... | |
| age of universe | 7/23/2008 |
| Q: I keep forgetting to give my Qualifiations. Here goes I studied physics at High School got a B in ... A: Robert! I thinkk i did not put it through succinctly enough. I am not demoralised. why should i be? ... | |
| Cosmological constant - Big bang expansion | 7/23/2008 |
| Q: The General theory of relativity was written based on a static universe without taking the big bang ... A: Found this on the question pool. 1 - Einstein did not invent the Gravitational constant for reasons ... | |
| age of universe | 7/22/2008 |
| Q: I keep forgetting to give my Qualifiations. Here goes I studied physics at High School got a B in ... A: You remind me of another question...how many times can one halve an a4 size paper sheet to reach the ... | |
| Equatorial Coordinate System | 7/22/2008 |
| Q: "Star1" has RA1 and DEC1 (in equatorial coordinate system) and "Star2" has RA2 and DEC2 (in ... A: Ichasan, I havent the foggiest on that one! I never studied these co-ordinates, nor was interested. ... | |
| Moving light in sky | 7/21/2008 |
| Q: Last night I seen a very bright fast moving light in the sky 11.10pm It was not orange more like a ... A: The "landing lights", a set of powerful search light type lights on the underbelly of most ... | |
| Black Holes | 7/21/2008 |
| Q: If the Sun were to suddenly become a black hole (I understand it can't) what would happen to the ... A: If the an advanced civilisation were to suddenly work its magic and cause the sun to implde into a ... | |
| Moons that orbits other moon | 7/20/2008 |
| Q: Are there moons that orbits other moons? A: No big deal.. Only a few months from now, Chinese and Indian lunar missions will be orbiting their ... | |
| large/small telescopes | 7/20/2008 |
| Q: What is the difference between large and small radio telescopes? do big telescopes detect weaker ... A: Alice, There is essentially not much difference excpet for certain structural concepts that ... | |
| small/large telescopes | 7/20/2008 |
| Q: What is the difference between large and small radio telescopes? do big telescopes detect weaker ... A: One must understand that in the end both radio and optical telescopes are doing the same thing, ... | |
| planetary capture of satellite | 7/18/2008 |
| Q: You are just perfect for this question. I think you are as curious as I am concerning the genesis of ... A: Dan! You have asked a strange question! :) You trash what scuientists / mathematicians/physicists ... | |
| aestronomy | 7/18/2008 |
| Q: sir I wont to became an aestronorth so what subject I have to chouse .I am in 11th and i take ... A: It pains me to read pitiful questions by indians who dont even know english, but who want to be ... | |
| Black holes and Super Novas | 7/18/2008 |
| Q: Is it true that as matter enters a black hole that it will be stretched until the matter is in it's ... A: All true! THAT happens because of gravitational tides. One does not have to be near a black hole ... | |
| geostationary orbit | 7/17/2008 |
| Q: Assume the earth is a spherical planet with a diameter of 1600 km with a uniform density of 5200 ... A: Sorry for the delay, the site had been down for a day, so i could not submit my answer which i ... | |
| age of universe | 7/14/2008 |
| Q: I keep forgetting to give my Qualifiations. Here goes I studied physics at High School got a B in ... A: That is why in fact the CMB was a very good proof of the bang! The 3 degrees part was predicted ... | |
| Can all the planets come in a straight line | 7/13/2008 |
| Q: Sir, I have been thinking over this for a little while and now i want your assistance. I want to ... A: Most planets have orbits that are NOT EXACTLY coplanar. So their "falling" absolutely in line with ... | |
| Space Exploration and Astrophysics | 7/13/2008 |
| Q: I am a high school student and I really wanted to know what i should major in for my undergraduate ... A: !! You are showing the enthusiasm of a young "green" fellow!! A bit ungrounded in reality and a bit ... | |
| Angle of incident solar rays on moon | 7/13/2008 |
| Q: i am looking for the maximum and minimum angle of incident of sun rays on the surface of the Moon. ... A: I will answer this question at length. The simple 2 sentence answer would tell you little. You ... | |
| Effects of time on luminosity | 7/12/2008 |
| Q: The orbit of the earth does not change around the sun and the rate of light the sun emits stay the ... A: Your question is really really strange to say the least. Time cannot change rate "locally", for ... | |
| big bang | 7/11/2008 |
| Q: I read there are 4 big bang theories. The one that puts the universe at 13.7 billion years old, ... A: Robert! It would be w help to know your qualifications! Not to pip you or say "you dumb ignoramus" ... | |
| big bang | 7/9/2008 |
| Q: I read there are 4 big bang theories. The one that puts the universe at 13.7 billion years old, ... A: "asking serious question about the big bang"? Robert, dont get me wrong, but as i enumerated before, ... | |
| big bang | 7/8/2008 |
| Q: I read there are 4 big bang theories. The one that puts the universe at 13.7 billion years old, ... A: Robert that is a highly philosophical question. We may have to wait a long time to get all the ... | |
| gas planets | 7/5/2008 |
| Q: Why is Jupiter, for instance, not considered the size of its solid core, with all of its gas ... A: No paul, By 'atmosphere' for the gas giants, is meant their outermost layers (1000 km deep for ... | |
| gas planets | 7/4/2008 |
| Q: Why is Jupiter, for instance, not considered the size of its solid core, with all of its gas ... A: Paul that's only because the gas giants are all 95% and above, pure gas! The rocky core (if at all ... | |
| Cosmology | 6/26/2008 |
| Q: The Big Bang was developed through energy and matter. How exactly did these to elements come to be? ... A: Please refer to this wikipedia article on the bang. http://en.wikipedia.org/wiki/Big_Bang. The big ... | |
| type 1a supernovae | 6/25/2008 |
| Q: If a type 1a supernova, such as HR 8210 "IK Pegasi" for example exploded, would it be a threat to us ... A: [refer:-http://en.wikipedia.org/wiki/IK_Pegasi]. The 1k pegasi system is currently 150 light years ... | |
| solar nebular hypothesis | 6/17/2008 |
| Q: I am interested in nebular hypothesis and I am wondering how a cold gas(hydrogen) cloud can condense ... A: Old habits die hard..dont they? We are about to embark on another journey of "bible writing"!! :) ... | |
| Planets, Beginnings? | 6/17/2008 |
| Q: Jay! I was reading a book called "The Life and Death of Stars", and reading about the seasons, the ... A: hehe..Dog with bone...thats why I said we are the same type..well almost that is, i let go a wee bit ... | |
| Quantum Reality and CERN | 6/13/2008 |
| Q: Check that: http://gaudwin.spaces.live.com/blog/cns!75D2857795790980!236.entry Thanks, A Gaudwin A: Ya, another fellow asked me the same. But Cern carried out two researches into the subject and came ... | |
| Hubble Constant and Edge of Universe | 6/13/2008 |
| Q: Many thanks for below answer. But I'm still wondering about this: for example if the Hubble constant ... A: I cannot throw much light beyond what i said earlier. There are some disputes regarding valuation ... | |
| Planets, Beginnings? | 6/12/2008 |
| Q: Jay! I was reading a book called "The Life and Death of Stars", and reading about the seasons, the ... A: No! The sun is a 3rd generation star. Like the phoenix, it arose from the debri of earlier ... | |
| solar nebular hypothesis | 6/12/2008 |
| Q: I am interested in nebular hypothesis and I am wondering how a cold gas(hydrogen) cloud can condense ... A: Robert! 1 - Why do you think an envelop is needed to collapse a gas cloud? After all you do see ... | |
| solar nebular hypothesis | 6/11/2008 |
| Q: I am interested in nebular hypothesis and I am wondering how a cold gas(hydrogen) cloud can condense ... A: , Now i am seriously thinking i should ask you for your "qualification". No i am not being ... | |
| edge of the universe | 6/9/2008 |
| Q: I have this question for so long, yet have not found any satisfying answer. My question is: if the ... A: There is more to this than "meets the eye"! 1) - You see the early history of the universe is ... | |
| moon's orbit | 6/7/2008 |
| Q: I realise that the Earth's rotation is slowed by the moon as it pulls the body of water which ... A: Robert!! 1 - You are "a seeker"! Period. And thus who am i from stopping you from questioning? ... | |
| moon's orbit | 6/6/2008 |
| Q: I realise that the Earth's rotation is slowed by the moon as it pulls the body of water which ... A: No robert, the moon's recession is in tune with calulated slowing down of the earth as measured ... | |
| moon's orbit | 6/4/2008 |
| Q: I realise that the Earth's rotation is slowed by the moon as it pulls the body of water which ... A: Robert, I believe that it could be just a case of being on the "rain-shadow" of the earth ... | |
| Gravity | 6/4/2008 |
| Q: Jayendra: If a person moved from the center of the earth outward, by what factor will that person's ... A: Come on Gloria! Unless you want poor old me to slog, you wouldnt be asking such a simple question! ... | |
| Pole star | 6/3/2008 |
| Q: I have a question on pole star.Please can you answer that why is the pole star important? Thank You! A: Why are you asking such a simple question? 1 - It is important because one can know ones position on ... | |
| Gravity | 6/3/2008 |
| Q: Jayendra: If a person moved from the center of the earth outward, by what factor will that person's ... A: Gloria! Never ask imperfect questions! Because when you ask result will change by "what factor" you ... | |
| tidal pull of moon | 6/1/2008 |
| Q: I'm a little puzzled about the tidal pull of the moon. The pull of the moon on the Earth's Oceans is ... A: However dont you think we aught not to continue a followup with a followup? These questions are ... | |
| tidal pull of moon | 5/27/2008 |
| Q: I'm a little puzzled about the tidal pull of the moon. The pull of the moon on the Earth's Oceans is ... A: Hold those horses again! Something teels me you "make up your mind" first and then 'accuse the world ... | |
| tidal pull of moon | 5/27/2008 |
| Q: I'm a little puzzled about the tidal pull of the moon. The pull of the moon on the Earth's Oceans is ... A: Robert! Hold your horses dear fellow!! You seem to be in great haste or something here... 1 - ... | |
| black hole explosions | 5/27/2008 |
| Q: Can black holes explode and then disappear? A: Black holes "radiate" energy via the hawking radiation route, but that takes too long for the hole ... | |
| PRECESSION OF THE EQUINOX | 5/26/2008 |
| Q: IF THE EARTH HAD A ZERO AXIAL TILT I THINK THAT THE PRECESSION OF THE EQUINOX WOULD BE MUCH LESS ... A: A very interesting question. The period is 25800 not 26800. precession was known to the ancient ... | |
| need help | 5/23/2008 |
| Q: Im a student styding architecture course and presently in final year. I have thesis this semester in ... A: It is a great idea! Who knows! If you come up with something revolutionary, your ideas could become ... | |
| planets | 5/22/2008 |
| Q: could there be other earthlike life forms on other planets w A: In a universe containing billions of galaxies, where each galaxy itself contains 100 billion stars, ... | |
| What would happen? | 5/21/2008 |
| Q: Do you think we could ever build a machine that would take pictures and film, like some of the ... A: No Josh, Such a thing can only exist in SF. Where you have spaceships with force shields etc. In ... | |
| Asteroids | 5/16/2008 |
| Q: I came across a question in an astronomy book that I am reading and puzzled for the answer. The ... A: Very good question. 1 - No fossils have been found on meteorites:- But they have the ... | |
| I wouldn't do that to you | 5/16/2008 |
| Q: Jayen, Let me assure you that not only do I read your answers but I devour them. Maybe I've been ... A: Mary! You are a dear! :) Yes all questions appear now as rated. A certain YongFeng attended to my ... | |
| cyclonic weather system | 5/14/2008 |
| Q: Jayen. Your answers to my several questions under the heading of "the bulge" are really helping me ... A: Mary, Like another lady before you, i get the feeling you are pulling a fast one on me! That lady ... | |
| The Bulge | 5/11/2008 |
| Q: Jayen, Thank you so much for your answer explaining phase locking, etc. I'll resubmit the rating for ... A: Somehow you appear to have read my answers without even registering them as "read" on this site! ... | |
| RE: habitable conditions | 5/9/2008 |
| Q: I had thought that the lack of atmosphere on the moon was due to the earth's gravity. If you don't ... A: Mary I do hope you did not forget the critical part of rating my answer. Many people just "get their ... | |
| Venus | 5/7/2008 |
| Q: How long is a day, from sunrise to sunset, on Venus? A: Found your question on the question pool. Interesting question, in the light of the fact that the ... | |
| people long ago | 5/6/2008 |
| Q: how did people long ago develop calendars? A: Macy, It is all about events, and periodicity of events. Calendars in a fashion are built into our ... | |
| habitable conditions | 5/4/2008 |
| Q: Hypothetically, is it possible, given the influence of a larger body on a smaller body, that a ... A: The universe is very very large. That in itself makes all sorts of things possible. In the case of ... | |
| A Point to Ponder | 5/3/2008 |
| Q: If the "Big Bang" made the universe, where did the material needed for the "Big Bang" come from? If ... A: Alan! Life IS full of surprises.. And thanks for the rating ofcourse. What made me think of a ... | |
| A Point to Ponder | 5/1/2008 |
| Q: If the "Big Bang" made the universe, where did the material needed for the "Big Bang" come from? If ... A: Alan, How old are you? I smell an upset idealist here! :) I ask this question because i have found ... | |
| Big Bang | 5/1/2008 |
| Q: I am nine years old, and have been interested in astronomy for five years. I have a few questions ... A: You did right by telling your age. 1 - Current age estimates put that at 15 to 18 billion years. 2 - ... | |
| About Binary stars | 4/30/2008 |
| Q: how do astronomers measure diameter of a Binary star orbit ? Thank you A: Some ways are as under. 1 - Spectroscopy tells them all about the wobble in the spectrum of either ... | |
| big bank theory | 4/30/2008 |
| Q: gud after noon,sir. sir, i wat to know wat xactly is d big bank theory???? i know dis frm other ... A: You appear to be not serious at all! your english is terrible and you are calling big bang as big ... | |
| Accretion disks | 4/29/2008 |
| Q: Why do accretion disks form around black holes? Why doesn`t the matter (from a star e.g.)doesn`t ... A: I found this interesting question in the pool so i am answering it. The answer lies in the reason ... | |
| Big Bang Theory | 4/28/2008 |
| Q: What created the Big Bang? A: No one can ever answer that!!:) Insufficient data for a meaningful answer! That is all one can say. ... | |
| stars black body | 4/27/2008 |
| Q: a star does not have a black body spectrum as its continuous spectrum A: I do not know the scope of your question, as it is truly "laconic". Such extreme brevity some times ... | |
| how can i enter in this field? | 4/17/2008 |
| Q: i am indraneel pole from india.i am interested in astrophysics and wants to make a carrier in this ... A: In India, opportunities existed from 1970 onwards! I personally know very ordinary people (social ... | |
| Black Holes/Wormholes | 4/10/2008 |
| Q: Something tells me you're a real cosmology buff/expert. Some people take a keen interest past the ... A: Mike if i had been a lady i would be blushing at all the accolades. You sure you arent pulling my ... | |
| stars | 4/9/2008 |
| Q: If a star becomes a red giant when all its hydrogen is used up and later become a nebula, how can a ... A: There is a churning process going on in the convective zone deep inside stars. In this area, some ... | |
| planet evolution | 4/7/2008 |
| Q: Are all known planets (and moons) spherical in shape? How did spherical planets evolve that shape? ... A: Found this one in the question-pool. So decided to answer. No evolution and shape have nothing to ... | |
| astrophysics_not just research | 4/5/2008 |
| Q: Sir, I have just passed my 10th exams and I intend to go in for astrophysics, not merely from the ... A: You need to be very sharp in maths and physics! Do not make a mis-judgement in over enthusiasm or ... | |
| experiment in switzerland | 4/2/2008 |
| Q: Should we be concerned, in your opinion about the upcoming experiment in Switzerland? what are the ... A: Refer:-http://en.wikipedia.org/wiki/Black_hole CERN (the LARGE HADRON COLLIDER project) conducted ... | |
| Solar Magnetic Activity | 4/2/2008 |
| Q: The sun elements are Hydrogen and Helium only. Magnetic activity is associated with Iron,however ... A: I hope you are the same one who asked me a question earlier. Actually Most matter on the sun is ... | |
| recent change in earths axis tilt?? | 3/29/2008 |
| Q: I have came across some articles stating that the earth axis tilt has recently increased by an ... A: Found this in the question pool. I simply had to answer. First of all, the source from where you ... | |
| The Early Solar System | 3/28/2008 |
| Q: i'm Scott, pleased to meet you. I was watching National Geographic Channel the other day, Jayendra, ... A: Actually the mechanism that some people mis-rstand as gravitational repulsion is actually the ... | |
| Saturn and Jupiter in the early solar system | 3/27/2008 |
| Q: i'm Scott, pleased to meet you. I was watching National Geographic Channel the other day, Patrick, ... A: Saw this on the question pool.. I already answered that one, and i think the other person has not ... | |
| Gravity Wells | 3/27/2008 |
| Q: It's the Black Hole guy, again. One last question, I forgot to include in the other request: If a ... A: Mike! I thought i had answered you sometime back, but could not recollect. Now reading your question ... | |
| Black Holes/Wormholes | 3/27/2008 |
| Q: Something tells me you're a real cosmology buff/expert. Some people take a keen interest past the ... A: Mike! we are indeed birds of the same feather! I believe in nurturing :- 1 - An unconditional ... | |
| I'm reaching here!!! | 3/26/2008 |
| Q: Is there any scientific proof of a Planet X that is suppose to intersect earth’s orbit in 2012? This ... A: To my knowledge, planet X is the planet far out in the kuiper belt, beyond pluto. This planet causes ... | |
| Our Moon | 3/26/2008 |
| Q: What physical rules govern the moon's orbit so that we can see only one side of it. In other ... A: That is due to tidal "phase locking". That is a general rule applying to even planets that orbit ... | |
| Reaching Here!! | 3/25/2008 |
| Q: Is there any scientific proof of a Planet X that is suppose to intersect earth’s orbit in 2012? This ... A: To my knowledge, planet X is the planet far out in the kuiper belt, beyond pluto. This planet causes ... | |
| Planet X | 3/25/2008 |
| Q: Is there any real scientific proof of a Planet X that is suppose to intersect earth’s orbit in 2012? ... A: Roy! Man how many times did you have to ask before someone answered? Really makes me wonder.. ... | |
| moon orbit | 3/24/2008 |
| Q: Why is the moon so locked in place that we only see the one face? Does it spin at all if only a ... A: Only yesterday one person asked me this verisame question, in a different way. Yes ofcourse! ... | |
| planet formation | 3/14/2008 |
| Q: In the formation of the solar system, how can the nebular gas condense to form rocks, the precursor ... A: Very interesting question, that sadly has few answers to be easily found on the web. What many ... | |
| Gamma Rays | 3/12/2008 |
| Q: What is the history on Gamma rays?? A: Found your question in the question pool. there are two useful links for you. 1 - ... | |
| neutron stars | 3/11/2008 |
| Q: How many kg per sq metre of pressure exists at the centre of a neutron star? A: refer to this link:- http://en.wikipedia.org/wiki/Neutron_star The answer is (approximate) 16 * 10 ... | |
| reusable rockets | 3/10/2008 |
| Q: Suppose we redesign the Space Shuttle with its External Tank (ET) as a Heavy Lift Vehicle (HLV). ... A: Nice dreams.. But indeed well dreamt dreams someday have a possibility to succeed! Sometimes we ... | |
| space and health | 3/10/2008 |
| Q: A person infected with a virus send to space. Is it true that they will be multipled in number ... A: If you are an Indian, I expected much better from you dear! :) If the person is alive in space, ... | |
| space | 3/10/2008 |
| Q: A person infected with a virus send to space. Is it true that they will be multipled in number ... A: If you are an Indian, I expected much better from you dear! :) If the person is alive in space, ... | |
| Nebular Theory | 3/8/2008 |
| Q: My 7 yrs old is going to discuss the Planets at her elementary school science fair. I thought it ... A: I found this very interesting question in the question pool, and am answering it right away. I do ... | |
| gravitational waves | 3/5/2008 |
| Q: Does the velocity of propagation of gravitational waves change when they pass though a massive ... A: That should happen! especially since they expect these waves to be even plane polarised! like ... | |
| Day Arc | 3/4/2008 |
| Q: As common an experience as the passing of the sun through the sky is, I can't find out this simple ... A: Sorry..i am answering in place of christopher...as i found this question in the question pool. ... | |
| Calculating stellar magnitude | 3/4/2008 |
| Q: I have recently looked at a book that shows how much / little the intensity of sunlight is on other ... A: Sorry for the delay..was busy.. Actually do lookup my pasted reply to Rhys Moore, on a similar ... | |
| explosions in space | 2/27/2008 |
| Q: I saw the shoot down of the ailing spy satellite with a missile. There was an explosion. I was ... A: Kurt, i am very much into sci fi! if you are in a hurry go directly to the end, else read on! By ... | |
| Colorful Sights | 2/26/2008 |
| Q: The night of Feb. 25th in Homer, AK. Viewed a light in the sky which did not move other than with ... A: In all probability you were looking at one of the 3 listed stars below. (look at references below). ... | |
| earth's orbital plane vis-a-vis galactic plane | 2/19/2008 |
| Q: What is the relative orientation of Earth's orbital plane to that of the Milky Way galaxy. I am ... A: I found your interesting question in the pool. Actually there is some talk about the sun being a ... | |
| How stars are formed | 2/17/2008 |
| Q: I believe scientists are wrong about how stars are formed in which they think they are made of ... A: tells me a lot. regarding will to debate, i offered you my email id! (in case you did not notice). ... | |
| How stars are formed | 2/16/2008 |
| Q: I believe scientists are wrong about how stars are formed in which they think they are made of ... A: Ronald, I am selecting not to answer and also am sending you the reason. Instead, i am going to be ... | |
| meteorites | 2/6/2008 |
| Q: could a 3,ooolb. 4ft. stone flying through the atmosphere for 3,ooo miles heat sufficiently enough ... A: I found your question lying in the pool and did not feel it was a homework question. (But then i ... | |
| About binary stars | 1/28/2008 |
| Q: Is there any observational data on the web that show the orbital rotation and period of a binary ... A: Just type "spectroscopic data of orbiting binary" into yahoo! [Doing any research means to hack ... | |
| supernova | 1/27/2008 |
| Q: what is mean by supernova? answer me in simple form.... A: Sarah, i will try. A supernova is the death of star that was about 1.5 times heavier than our sun. ... | |
| (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: Carrie, I know i am exposing myself to your wrath by what i am about to do! :) But i would rather ... | |
| The Speed of Light | 1/22/2008 |
| Q: Problem: In 1054, Chinese astronomers abserved the light from a supernova in the night sky. This ... A: [please refer:- http://en.wikipedia.org/wiki/Crab_Nebula#Distance & ... | |
| The universe and the neurons | 1/12/2008 |
| Q: I am a researcher looking into science and religion and during my studies I have found out that ... A: Larry, did we interact before? I remember someone who directed me to his homepage, where some of his ... | |
| comets | 1/11/2008 |
| Q: are comets made up of rock ,ice,ground?if yes,they got water to travel farther away from earth.why ... A: I will rephrase your question and try to answer it. 1 - Comets are made of ice , rock. 2 - If yes, ... | |
| Cosmic background radiation | 1/1/2008 |
| Q: I know that cosmic background radiation is supposed to be an "echo" of the big bang, etc, but I ... A: Firstly, just go thru this site:- http://en.wikipedia.org/wiki/Black_body and this one:- ... | |
| Planet X | 12/30/2007 |
| Q: I read where NASA discovered Planet X in Dec. 1983 with the IRAS telescope. The story was published ... A: I generally discount any "conspiracy theory"...simply because ... 1 - it is impossible to fool 1000s ... | |
| black holes | 12/29/2007 |
| Q: Mr Jayendra Can you tell me what is a black hole? Is their any oxygen in mars? thanks A: Keanu.. Nice name! :) Well...The lightness with which you ask questions mazes me! Anyways.. 1 - A ... | |
| Telescope | 12/22/2007 |
| Q: I am planning to Buy a telescope. Can you suggest which type of Telescope shall buy as Beginner. If ... A: That is ok! As i said, the market for telescopes in india is not that big to get these facilities. ... | |
| Telescope | 12/22/2007 |
| Q: I am planning to Buy a telescope. Can you suggest which type of Telescope shall buy as Beginner. If ... A: Seems real good! The newtonian reflector means it uses a concave mirror as main "collector" amd ... | |
| solar system | 12/21/2007 |
| Q: I am in the 8th grade. I was wondering what your thoughts were on how the solar system was formed, ... A: So my guess was right. You are "thinking adult" before your time! Rachael you may turn out to be a ... | |
| solar system | 12/20/2007 |
| Q: I am in the 8th grade. I was wondering what your thoughts were on how the solar system was formed, ... A: Rachael, I seriously doubt you are an 8th grader!! If you truly are an 8th grader and not someone ... | |
| Telescope | 12/19/2007 |
| Q: I am planning to Buy a telescope. Can you suggest which type of Telescope shall buy as Beginner. If ... A: Hiren, I am from Baroda too! Nice to hear from You. Actually i need to know what it is that you ... | |
| astronomy | 12/19/2007 |
| Q: is the sun the biggest star? A: No Matthew, There are many larger stars. Stars come in 3 categries of size. 1 - sunlike 2 - red ... | |
| Very distant and early objects | 12/12/2007 |
| Q: It seems paradoxical that images of very early galaxies (the HUDF has revealed several from the ... A: This question has been asked me more than 4 times alredy! Each questioner phrasing it differently. ... | |
| asking for guidline | 11/27/2007 |
| Q: I am a first year engineering(IT) student.I have a dream to become an astronomer (or astronaut or an ... A: You would need to do post graduation (most likely bsc then msc in physics / maths) and try to enter ... | |
| 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: Bhavesh if i am any judge, you have two qualities that are preliminary requisites for any one who ... | |
| Ringed Planet? | 11/11/2007 |
| Q: While in Penang, Malaysia Nov 4-12, at around 6 in the morning, while looking East, I've noticed a ... A: What you feel is a planet with rings may be the result of some aberration in your binoculars. ... | |
| Galactic Alignment | 11/1/2007 |
| Q: I've heard the talk of winter solsice sun aligning with our galactic center. It's often mentioned ... A: Bunk! The moster black hole at the galactic center will not have any separate effect. That is ... | |
| Solar system composition | 10/21/2007 |
| Q: Why is it the sun is mainly hydrogen and helium, while earth has lots of heavy elements on it? ... A: You are right ofcourse! But what you see on the sun is mainly because all the heavier elements have ... | |
| Gravitation - Weak force ? | 10/15/2007 |
| Q: I have a doubt in rocket propulsion. I have studied and heared that earth's gravity is a weak force ... A: How old are you Mohan? The reason i ask is that if you are at inter college level, it would mean you ... | |
| moon feature elevation | 10/11/2007 |
| Q: im curious as to how astronomers can estimate elevation of features of the moon by studying shadows ... A: I am not a professional astronomer! But one does not need to be one really. 1 - We all know what ... | |
| Dinstance | 10/1/2007 |
| Q: Well if the moon travels 1,5 inches evry year and the moon couse the tsunamis If it gets 2 far will ... A: The moon does not cause tsunamis, but normal repeatable and predictable times. In fact ships use ... | |
| astro-fest | 9/26/2007 |
| Q: sir, we are students of IT-BHU, India and our college is going to conduct an astronomy fest ... A: Vinit, If you really are from BHU-IT, I am a bit dis-appointed. The last time you asked me this ... | |
| "Mapping" the universe from background patterns | 9/24/2007 |
| Q: I've seen the photos of the uneven distribution in the early universe and that this unevenness is ... A: Steve, The fluctuation is at the 3rd decimal level! In fact the CMB is so uniform at first sight as ... | |
| black holes | 9/15/2007 |
| Q: What exactly causes a black hole's existence? And what exactly is happening with a black hole? A: You must read more details on the web preferaably at wikipedia. The causes: 1) - Primary cause is ... | |
| Astronomy | 9/6/2007 |
| Q: What is the difference between the daily and annual motion of the sun? A: Teresa.. 1) - Daily motion of the sun is the one it makes along the ecliptic, the imaginary roughly ... | |
| astronomy fest | 8/26/2007 |
| Q: sir, we are students of iit india and we are planning to include astronomy as a part of our ... A: Vinit, I sincerely hope you arent pulling my leg here! Afterall IITians are supposed to be very ... | |
| Black Holes | 8/24/2007 |
| Q: Do black holes eventually die? And if so, what is the most likely nature of its death throes? Or ... A: This question has been asked me a number of times. Actually no one actually knows for sure and this ... | |
| earth movement | 8/16/2007 |
| Q: we all know that earth rotate from west to east in counter clockwise direction.but , i came to know ... A: I hope you are referring to the precession of the eqinoxes! Or the wandering of the poles so that ... | |
| Neutron Stars | 8/9/2007 |
| Q: When two Neutron stars in orbit eventually combine together into one star (presumably a black hole) ... A: The answer lies in the work energy theorem. And at the root of it all lie mass and gravitation. ... | |
| Black Holes | 8/9/2007 |
| Q: When a massive rotating star collapses to a black hole why isn't the rotational angular velocity of ... A: I am on thin ice here! But i will take the bait! Look up this excellent link on angular momentum. ... | |
| Meteor Showers | 8/6/2007 |
| Q: The Perseids are up this month. The particles are from a comet that cruises by our sun every 130 ... A: As any comet enters the solar system from far away somewhere in frozen wastes of the kuiper belt ... | |
| Matrix operations | 7/17/2007 |
| Q: Can you explain what matrix operations are? I heard that deep space images show matrix operations ... A: Tony, This is seriously out of my province! As a computer programmer indulging my hobby, I did ... | |
| Age of our universe | 7/14/2007 |
| Q: The age of our (i.e., the observable) iniverse if fourteen billion years. But, say there are stars ... A: Assuming what you say is true.. But Steve, "they" would also be seeing upto only 14 billion years ... | |
| Space questions | 7/13/2007 |
| Q: I have some sort of strange questions that I would very much like to know the answers to: first, how ... A: By definition the universe is "all inclusive"..meaning includes "everything there is!". Everything ... | |
| Hypothesis on the expansion of the universe | 7/9/2007 |
| Q: Hey I just had a hypothesis on the expansion of the universe I and wanted to know what you thought ... A: Join the "freethinkers club"! I am one of the dreamers associated with it! What i like about people ... | |
| Research review | 7/2/2007 |
| Q: Greetings, My name is Larry Thomas and I am an American living in Wiesbaden, Germany. I am currently ... A: Glad to read your mail. I will look up your pages with interest. Though i would not jump to any ... | |
| The Beginning | 6/6/2007 |
| Q: Many people and scientist do not believe in an intelligent creator. One of the reasons being is the ... A: (It is all about connections).. But Who is stopping you from wondering? Science in fact encourages ... | |
| Age/Size of observable Universe | 5/28/2007 |
| Q: In a recent lecture it was stated that the observable universe is fourteen billion years old, but ... A: Thoughtful of you to include your emailid!! Steve, i think i am on thin ice here. I have not really ... | |
| moon color | 5/20/2007 |
| Q: What color is the moon? Do you know of a book or website to support your answer? A: I suspect that is a "class/home" work question! nevertheless.. try wikipedia. the color varies in ... | |
| what is that bright light | 5/20/2007 |
| Q: I live in st. louis and I was looking west friday night and saw a very bright planet( I think ) and ... A: Currently the real "star" of the western sky till very late in the evenings is Venus! It has come ... | |
| the moon | 5/19/2007 |
| Q: Can you explain to me why the moon sometimes looks red? What is it in the atmosphere that does that ... A: reasons are chiefly two. 1 - Presence of fine dust will make the moon appear "reddish" brownish" ... | |
| Distances | 5/14/2007 |
| Q: What is the average distance from earth to the greenhouse gases? What is the distance from the ... A: Goodness katie! what has distance got to do with greenhouse gases? Likewise, what has distance from ... | |
| mikyway galaxy | 5/8/2007 |
| Q: im happy to ask a question to you.what is meant by milky way galaxy?is there any other galaxies A: . 1 - The milky way is a collection of roughly 100,000,000,000 stars average size that of the sun. ... | |
| shuttle | 5/8/2007 |
| Q: what is a space shuttle ?how can it move? A: The space shuttle is so called because it works as a "shuttle" (like a bus), it goes to and from ... | |
| SPACE rockets | 5/7/2007 |
| Q: WHAT WILL HAPPEN TO ROCKETS AFTER LAUNGING their satellites? A: Gopi, you meant to use the word "launching" i hope. All rockets that launch satellites, are ... | |
| MARS MISSION | 5/7/2007 |
| Q: IS IT POSSIBLE TO CARRY A MISSION TO MARS WITHOUT NUCLEAR POWER?IS THEIR WATER PRESENCE?DETAIL A: 1 - It is possible to go to mars without nuclear power. 2 - Water has been found, but it is subsoil ... | |
| moon mission | 5/7/2007 |
| Q: why our people are interested to conduct moon mission?is their any profit?detail A: Kunu, people are interested in the moon because in its crust (regolith), there is a relatively ... | |
| space science | 4/27/2007 |
| Q: how move possible in space? ANSWER: Hi, there are two aspects to the answer. 1 - newton's first ... A: Kunu.. All i can say is "oh dear"!! Kunu, newton's law of action and reaction precludes friction ... | |
| space science | 4/26/2007 |
| Q: how move possible in space? A: there are two aspects to the answer. 1 - newton's first law..inertia..bodies in motion continue to ... | |
| Neutron star & Super nova | 4/25/2007 |
| Q: What is the link between a neutron star and a super nova? Thanks in advance. A: Aneutron star is a remnant of the supernova. It is also the "cause" of the outward blast. The ... | |
| Earth's axis | 4/24/2007 |
| Q: How did people first find what degrees the earth's axis is tilted out. A: Joe, To get the answer straight from the "horse's mouth", see this link. ... | |
| How long does it take for a galaxy to be formed? | 4/14/2007 |
| Q: I recently saw the Ultra Deep Field images taken by Hubble Space Telescope in 2004. It certainly is ... A: Rafa, how do you consider that most stars should be as old as the earth? Our earth comes out of a ... | |
| Fe production | 4/12/2007 |
| Q: i kno that type II supernova only eject small quantities of iron and i understand that type Ia ... A: Daniel, sorry for the late answer. Only a real research guy can answer your question if you want an ... | |
| Whats beyond Space? | 3/20/2007 |
| Q: What is beyond space? Is it like spherical shape with no end or beginning if it is could you go up ... A: Elliott! If i said i knew the answers, it would be very foolish of me! But if you imagine a sphere ... | |
| Moon rotation " coincidence" | 3/2/2007 |
| Q: I don,t think the moon's spin cancels it's orbit by accident(causing the same side to face ... A: No that is not the reason. The reason is fairly well known to students of astronomy, and is result ... | |
| Shape possibilities in 5+ dimensional space | 3/1/2007 |
| Q: I've been tearing into this subject lately like a dog with a bone. If you were in 5 dimensional ... A: Paul..you are doing this for what?...i mean the returns... the "what's in it for me in the end" ... | |
| Neutron Stars | 2/15/2007 |
| Q: A recent TV program ("The Death Star" on the Science Channel) mentioned that a neutron star had the ... A: The operative part in your own answer is .."what's amazing about a neutron star not its total ... | |
| earth and space gr.12 | 2/12/2007 |
| Q: what is refraction? give a simple example that would illustrate the change in velocity as a body ... A: Sorry for the delay! Imagine you are riding a horsedrawn carriage of two wheels. you approach a sand ... | |
| heat/space | 2/9/2007 |
| Q: How does heat reach us from the sun? A: Odhran! If i were to say the conventional thing, i would be saying.."Elementary my dear watson!" ... | |
| Astronomy | 1/16/2007 |
| Q: There are 100 billion stars in the milky way galaxy. These stars are arrange in a disk around how ... A: Ngu, That answer can be easily found without consulting anyone! just goto wikipedia. type ... | |
| sun's | 1/7/2007 |
| Q: How many sun's are in our galaxy, and are sun's and star's the same thing? A: James, Galaxies are really LARGE objects! The milky way has close to 100 billion stars, and each ... | |
| autism | 1/5/2007 |
| Q: I work with a 9 year old autistic boy. He is very interested in the solar system. Are there any ... A: Congratulations and more power to you! You have a special child with another "beautiful mind". ... | |
| astronomy | 12/13/2006 |
| Q: Is a "new moon" ever visible at night? A: On newmoon day, the moon is exactly between the sun and the earth. But its orbit is not exacrly ... | |
| universe | 12/8/2006 |
| Q: i am doing a project for science class and the question i have to ask you is, "where is our galaxy ... A: The tru answer to that would be nowhere! [meaning, no absolute location can be known, as the ... | |
| moon through stars | 12/5/2006 |
| Q: in hindu tradition saggitarius is represented by 2 constellations called ashadha (poorva and ... A: You indeed take the Cake! No one has asked me such a profound question yet! Baba I am no Tilak! ... | |
| andromeda's distance | 12/2/2006 |
| Q: its me again. 35kpc its impossible answer because Shapley concluded that Andromeda Galaxy it was in ... A: Sharon, in that case i need to go into the depth of it. I did not pay attention to detail, as i ... | |
| andromeda's distance | 12/1/2006 |
| Q: I want to ask you something about how to calculate the distance of anddromeda from Milky Way. In ... A: One need not go into details of the inverse square relationship of Actual intensity to apparent ... | |
| deep space astronomy | 11/22/2006 |
| Q: How is it --that powerful telescopes and other devices are able to see ever closer ("95% of the way" ... A: I have picked up this question from the "pool". If you had addressed it to another expert, sorry for ... | |
| my space quiz for school | 11/21/2006 |
| Q: B. I AM DOIN A QUIZ FOR SCHOOL HOMEWORK AND CAN`T FIND THE ANSWERS TO THE FOLLOWING QUESTIONS 1. HOW ... A: Teoni i normally do not do homework. considering your age... 1 - because the earth turns around ... | |
| Potential collision? | 11/19/2006 |
| Q: Excellent response. I feel slightly more educated. Still, I like to eliminate speculation, where ... A: Jed ...Jed.. Hold your horses! Science is NOT religion. No scientist says anything with 100% ... | |
| Potential collision? | 11/18/2006 |
| Q: If several (or all) planets in a solar system became aligned (or nearly aligned) along an axis, ... A: When such questions occur to one, one must just first look at history! The solar system has been ... | |
| Another "dinosaur killer" | 11/10/2006 |
| Q: If the same incident that killed off the dinosaurs happened now, in billions of years, and humans ... A: Your question basically boils down to the "durability" of buildings over millennia or aeons. Well! ... | |
| astrophysics | 11/9/2006 |
| Q: Sir, I am a student of std.12 aiming to get in through IIT's engg. exam.I want to know that as my ... A: Astrophysics! Dear you aught to be going in for hard science and NOT engineering. You would be going ... | |
| general | 11/8/2006 |
| Q: I am studing this subject on my own so I can use all the help I can get. Thank you. I have a few ... A: Matt.. 1)Would the formula for the combination of Mg and F look like MgF or MgF2 MgF2 Because Mg++ ... | |
| Hollow planets? | 11/5/2006 |
| Q: My understanding of how most large objects in space are formed is that they start with a huge rock ... A: You know marty.. I actually like people like you. Who hypothesize on their own strength of ... | |
| How can we see in our own past? | 9/24/2006 |
| Q: I thank you. I will contact you. I totally agree with you, except for a little matter of "creation": ... A: You are most welcome to write. Since you are a buddhist, you must have heard of the vows of the ... | |
| How can we see in our own past? | 9/16/2006 |
| Q: Jayen I thank you for your elaborate answer, but, unfortunately, it does not suffice to relieve me ... A: Gaudwin, i think you have basically two issues. Do say so if i am wrong.. 1 - All energy / matter we ... | |
| How can we see in our own past? | 9/14/2006 |
| Q: How can we see in our own past? If all energy was created at the Big Bang, and all matter, shortly ... A: Hey! You are getting all mixed up! THAT radiation, the original one...the flash of the bang..is now ... | |
| The moon | 9/9/2006 |
| Q: Is the moon tilted on its axis? If so, how many degrees? A: I am no master of particulars! So i just brought this to you from the web. However, let me just ... | |
| earth's axis | 9/8/2006 |
| Q: Is the earth's axis always in the same plane? Thank you for any help. Mary A: No! The earth's axis describes a cylider tilted at 23.5 degrees to the axis passing thru the center ... | |
| Space (Sky) | 8/30/2006 |
| Q: Sir, If the constituents of the space/Universe e.g. (planets, Solar systems, galaxies ) are finite ... A: Ok! If i for example agree with you ..then what next? Are you driving at something further more? or ... | |
| Asteroid Belt? | 8/28/2006 |
| Q: Does this theory hold any merit, if not why? ... A: Sam, One must never discount things in astronomy. It is an observational science, where timescales ... | |
| Space (Sky) | 8/23/2006 |
| Q: Sir, The Sky is a physical entity. Is it infinite ? A: If by extension you consider "sky" to mean all of space, then in a sense it is infinite, and in ... | |
| science, astrology | 8/21/2006 |
| Q: it is a rare privilge to have some one who is always ready to answer ones questions. I am not a ... A: This question was first asked / taken up in a scientefic inquiry by Heinrich Wilhelm Olbers. It is ... | |
| real-time world watch | 8/20/2006 |
| Q: I once (some years ago) found a website where I could watch the world real-time in different angles. ... A: I found this screen saver. you can download it at http://www.fourmilab.ch/earthscr/ another link is ... | |
| Homogeneousness and isotropism | 8/11/2006 |
| Q: Years ago I read that the universe is homogeneous and isotropic? I seem to remember that isotropism ... A: Only recently have astronomers decided that the universe is anisotropic. (not isotropic). (thanks to ... | |
| BB Cosmology | 8/9/2006 |
| Q: In quantum cosmolgy, does absolute nothingness exist? I am told that it does and that even Hawkins ... A: You may be knowing more than me here! Hawking's brief history of time..mentions that in absolute ... | |
| Black holes | 8/8/2006 |
| Q: Are black holes really there? A: I do not know what level of studies on the subject you have done, so i will have to give a very ... | |
| Dark matter? | 8/5/2006 |
| Q: What is dark matter exactly? And what is the difference between comets and meterites? Do most comets ... A: Dark matter is precisely that! Dark! Meaning it is an all inclusive term covering all matter that is ... | |
| Stars, planets | 6/14/2006 |
| Q: I would like to know that a hypothetical star like our sun having formed back when the Universe was ... A: Most stars have planets! That is part of the process of star formation. However .. There is one ... | |
| Rotation of the Earth on its own axis | 6/9/2006 |
| Q: Why does the Earth rotates on its own axis while revolving around the Sun? Why does not the Earth ... A: . how old are you? It does not stop rotating on its own axis simply because of these things:- 1 - ... | |
| Astronomy/Science | 5/18/2006 |
| Q: I am not science student at all, so i'll render apologise if my questions sounds alittle bit ... A: Ibrahim! I accept your apology, but would it not be nice if you had been into science, muslims need ... | |
| Gravity | 5/17/2006 |
| Q: I recently finished reading Stephen Hawking's "A brief History of Time" and I am still quite ... A: Questions ...questions ..& still more questions..! :) Makes ones mind whirl..right? It helps ... | |
| astronomy | 5/11/2006 |
| Q: if i were standing in the middle of the US (indianapolis, in) on both summer & winter soltice where ... A: I am not conversant with us geography! To be sure, a) - on summer solstice day, the sun rises and ... | |
| Day and Night | 4/14/2006 |
| Q: What is the scientific explantation or concept of how day and night occurs. A: Kym, I have a suspicion you are pulling my leg here! But since you ask, answer i must. That happens ... | |
| Astronomy/Expanding Universe | 4/10/2006 |
| Q: I was doing some research on the expansion of the universe. And I came across an article that had a ... A: In fact there was this nice html site with a java application on it. What Olbers suggested was that ... | |
| About Spring Tides | 4/8/2006 |
| Q: When the Earth, Moon and Sun are aligned for Spring Tides, Why they are about the same height ... A: Alireza, I was under the impression that Newmoon tides are bigger than Fullmoon tides! As in one ... | |
| BLACK HOLE | 4/5/2006 |
| Q: Now I have a very importantWhat's the possibility of mis-caculations? What's the posiibility that ... A: 1 - A request...please post any further questions as new questions...this scrolling is becoming a ... | |
| sundials | 4/5/2006 |
| Q: We talked about a week ago about sundials and I havn't given up on making an accurate one but I ... A: I am sorry to say i cant really help you more than i already have on this subject. You could try ... | |
| BLACK HOLE | 4/3/2006 |
| Q: According to new calculations by a team of physicists, black holes might be produced by Europe's ... A: I frankly am NOT qualified to answer that! :) [my problem i know!] Anyway there is this prediction ... | |
| space | 4/3/2006 |
| Q: do you know where I could download small sized video files about space's origins, space exploration ... A: 1 - For your powerpoint presentation, for the pictures part ..here is an excellent site ..hubble ... | |
| North/South | 4/1/2006 |
| Q: Is the concept of North or South purely from a human subjective perspective? Is there anything that ... A: First of all I am sorry for the delay in answering your question...for some reason my pc was simply ... | |
| BLACK HOLE | 3/31/2006 |
| Q: If a spaceship is moving about or almost in a speed of light, could it become a black hole? A: No! You are making a fundamental mistake. your argument is running thus. As the spaceship increases ... | |
| Radio telescope | 3/27/2006 |
| Q: Online information for a radio telescope atop a high mountain south of Mexico City? A: Bart! why are you penalising me? :) You can find it yoursekf on the web! why is an expert needed ... | |
| small paticles in space | 3/25/2006 |
| Q: What are those things called that appear in space spontaneously and disappear again? A: Bart hope you are NOT asking about the virtual particle pairs that pop up in absolute space (vacuum) ... | |
| moons in orbit | 3/20/2006 |
| Q: here is my question that hopefully makes sense. If the moon orbitted the Earth at the same rate ... A: Heather, for that to happen, the earth's gravity would have to be very strong, to counteract the ... | |
| About planetory position | 3/19/2006 |
| Q: I am interested to know the formulae or algorithm or C code or vb code to evaluate the exact ... A: Deshpande saheb, tumhi kharokarich kathin prashna vicharla ahe! Mi C programming kele ahe, Vb pan! ... | |
| Big Bang Confusion. | 3/18/2006 |
| Q: Recently I was reading an article about how scientists are finding the "smoking gun" of the Big ... A: Actually as more and more people studied the Big bang concept, they thought why is the echo of the ... | |
| astronomy | 3/17/2006 |
| Q: what are the things in space that are studied by scientists A: Scientists study following in space. 1 - How did the universe start? 2 - How will the universe end? ... | |
| trigonometry and astronomy | 3/15/2006 |
| Q: 1.what is your profession? 2.how can you differenciate the trigonometry and astronomy? 3.how ... A: Do you know who Torqemada was? :) [Read all about the inquisition on the web and you will know why i ... | |
| The Moon | 3/13/2006 |
| Q: Does the moon rise every night at the same time and in the same location in the sky? A: No! The moon goes round the earth in 28.something days! Which means it is in a circular orbit ... | |
| black holes | 3/7/2006 |
| Q: What is in a black hole and what is on the other side of one, if anything at all? dave A: Dave! This is the 3rd time yoy are asking me this question. two times on 2/28/2006 1:38:51 PM ... | |
| Black Holes | 3/4/2006 |
| Q: My question is about the black holes. I read, that the stars, after they have released all their ... A: Gas falls in the category of "matter" too! As i pointed out all stars are almost 100% hydrogen to ... | |
| Black Holes | 3/3/2006 |
| Q: My question is about the black holes. I read, that the stars, after they have released all their ... A: Stars are made up of enormous quantity of gas. So much of it, (99%hydrogen), that even though they ... | |
| NIGHT SKY AT THE EQUATOR | 3/2/2006 |
| Q: I was recently on holiday in the Indian Ocean, just north of the equator. Although the night skies ... A: To tell you frankly i am not sure myself, there could be any amount of reasons. like say.. 1 - The ... | |
| astronomy | 3/1/2006 |
| Q: What is the relation between Mass and Diameter of a star to be converted into a Black Hole? A: That would be the schwarzchild radius. I remember calculating it for earth and finding it very small ... | |
| black holes | 2/28/2006 |
| Q: What is in a black hole and what is on the other side of it, if anything at all. I have already sent ... A: What would you do if for some reason i were to be away from my pc for a day? Hope you try and keep a ... | |
| Solar eclipse | 2/27/2006 |
| Q: If the earth and the moon were the same size, would more people be able to see solar eclipses, why? A: Leah, That would be possible! But the tides would hardly allow any one alive to do that! in science ... | |
| "Burning Question" | 2/27/2006 |
| Q: My english teacher assigned us a project to think of a burning question and have that question be ... A: steve, use the wide www for such things and not "experts"! The poor guys will do the same anyway and ... | |
| astronomy | 2/25/2006 |
| Q: what is a White Hole? does it realy exist? A: White holes are really thought to be exploding young galaxies. And not the "other ends" of black ... | |
| axis of rotation questions | 2/18/2006 |
| Q: I have two questions. Firstly, i was wondering what would happen if Earth's axis of rotation was ... A: Josh, Case-1:- Both axes are parallel. then a) - There would be no change of season for people of a ... | |
| on stars | 2/16/2006 |
| Q: sir why we can able to see stars at zenith only not at horizons A: It is a wrong impression that stars cannot be seen except when they are at zenith! I have watched ... | |
| Milky Way/Andromeda collision | 2/11/2006 |
| Q: I have red that the Milky Way and Andromeda galaxies are headed towards eachother (at about 300,000 ... A: You are correct. The Andromeda (M31 as 31st object on messier's catalog) is part of the "local" ... | |
| Stars | 2/10/2006 |
| Q: A very basic question - what is the star in the eastern morning sky in western Washington? Thanks A: Sue! You have asked a very difficult question indeed! A sucker punch for old guys like me! Now at ... | |
| Non-rotating planet Phase Three | 2/3/2006 |
| Q: ------------------------- Okay, thanks for your advice. I get what you mean about writing within ... A: Hahaha :) If there is ONE quality you certainly have, it is persistence! And as people say it always ... | |
| Uranus | 2/3/2006 |
| Q: If you travel at 400000km/hr how long will it take you to get to Uranus A: How old are you Lana? Let me guess! 'quite young' should be correct. If you just type "distance to ... | |
| What orbits what? | 2/3/2006 |
| Q: I read about how our sun moves round with the galaxy at 1 million km an hr and it takes 250 million ... A: Good question steve, I must point out though that "Inertia" has nothing to do with all this! ... | |
| Non-rotating planet Phase Three | 2/2/2006 |
| Q: Oooooooh. Sorry about all the postings, I really only sent this once! Alright. I understand the ... A: Heather, thanks for telling me how old you are! (by inference that is). You see, the problem in ... | |
| Non-rotating planet Phase Two | 1/31/2006 |
| Q: I am just resubmitting the followup to my original question, because the URL is persisting in ... A: Something has gone drastically wrong with this site! You are posting same question 6 times! ... | |
| Non-rotating planet Phase Two | 1/31/2006 |
| Q: I am just resubmitting the followup to my original question, because the URL is persisting in ... A: Something has gone drastically wrong with this site! You are posting same question 6 times! ... | |
| Non-rotating planet Phase Two | 1/31/2006 |
| Q: I am just resubmitting the followup to my original question, because the URL is persisting in ... A: Something has gone drastically wrong with this site! You are posting same question 6 times! ... | |
| Planet Question | 1/31/2006 |
| Q: I got the answer to your question, but the link is not working, and neither is the URL. Is there a ... A: Heather, somehow i think there is definitely a problem with the site. Only today morning i dashed ... | |
| Smoke and fire | 1/28/2006 |
| Q: This might not be in your field, but I know you Astonomers are really smart so here goes... In the ... A: Depends on what you term as a "fire"! 1 - If the fire started as a case of arson, the "fire", ... | |
| Non-rotating planet | 1/27/2006 |
| Q: No, I'm not one of those geocentric creationists. I am actually writing a book, and I was wondering, ... A: Heather! If you are writing a book, you must LEARN to dissociate yourself from "preferred" frames of ... | |
| jupiter | 1/21/2006 |
| Q: I need to know (it is a part ifa a project) how i can determine jupiters diameter or it's angular ... A: Number of approximate (With your resources, you can only arrive at approximations of things) methods ... | |
| Black Holes | 1/9/2006 |
| Q: For our science class this year we are participating in the science fair. My topic is black holes ... A: Shane, You have surfed a lot. I guess one must humbly accept ones insignificance in front of the ... | |
| Pluto | 1/6/2006 |
| Q: I have read that Pluto enters Neptune's orbit. Please could you tell me what would happen if the ... A: Both neptune and pluto are into a sort of stable resonance situation. (ratio 3:2) The orbital ... | |
| About black holes | 1/3/2006 |
| Q: I have two questions: 1. Why is space black even though the Sun in the solar system that emits ... A: 1 - What you are referring to is called "olber's paradox", Olber, in his time asked the same ... | |
| space | 12/30/2005 |
| Q: what are quasars?what is dark matter?Ihave often wondered if there is any end to the universe.is ... A: Quasars were earlier thought to be wjite holes. Now astronomers prefer to think og them as exploding ... | |
| Speeds | 12/29/2005 |
| Q: How fast does the MilkyWay orbit the Universe's Galactic Core A: Andrew, The universe is centerless! It is also "same" in all directions..(isotropic). So hunting ... | |
| The sun in winter | 12/23/2005 |
| Q: Why does the heat generated by the sun through a window glass seem more intense in the winter? A: That is thanks to the green-house effect. Radiant energy coming in thru the glass (higher than infra ... | |
| Forces that keep satilites in orbit | 12/20/2005 |
| Q: What are the forces that keep satilites in orbit around their planets and planets (along with their ... A: Hey the force that keeps all the planets orbitting around the sun and satellites around planets is ... | |
| Universe expansion rate | 12/20/2005 |
| Q: Is the universe's expansion rate accelerating or decelerating? A: I am no expert on relativity! But from my readings, i am aware that einstein had proposed a ... | |
| Moons future | 12/19/2005 |
| Q: I would like to know if moon is going to break apart sometime in the future. Or is it going to ... A: Good heavens no! the moon has been around for almost as long as the earth. And that means it has ... | |
| Black Holes | 12/18/2005 |
| Q: Why are we here if black holes reside at the centre of galaxies and devour every thing they come ... A: Robert! Einstein rightly said "god does not play dice"! Every thing in the universe is part of order ... | |
| Quasars | 12/18/2005 |
| Q: How are Quasars formed? A: Jamie from what i have last read on the subject, quasars are but the cores of exploding newly ... | |
| Time & space paradox | 12/17/2005 |
| Q: If we're right in assuming that the further away we look the further we look into the past, then ... A: The one truth of all time is we will always be INSIDE of the universe we observe! No matter how far ... | |
| Production of heavy elements | 12/13/2005 |
| Q: I read in a book that productoin of elements in the core of stars is terminated to iron. how heavier ... A: The answer is a bit complicated. Most stars in spiral galaxies (rather the arms of spiral galaxies) ... | |
| rockets | 12/12/2005 |
| Q: What was the first rocket to have ever been launched A: I think it was wang or chang who first did it. (joking). But truly the credit for the first rockets ... | |
| Singularity | 12/5/2005 |
| Q: I need a very simple (layman;s) denfination- of what is Singularity re:The Big Bang thank you A: In layman's terms, a singularity is a mathematical "point" entity. As it is but a point, it has none ... | |
| speed of light | 11/30/2005 |
| Q: say your in a rocket with headlights going the speed of light and you turn on the headlights, would ... A: The speed of light is constant (science-speak so far) in a vacuum, and if the rocket is travelling ... | |
| Stars | 11/22/2005 |
| Q: I understand stars make up the vast majority of galaxies, and near the center of galaxies they are ... A: No mathew! Stars do not form necessarily at the centers of galaxies! Most stars are formed in the ... | |
| retrogade motion?? what is it? | 11/22/2005 |
| Q: is this information in fact true???? As the strong belief of we muslims is that when the >sun ... A: Oh man! Why do people of muslim origin have to ask questions followed by 2 or 3 "?" If you just ... | |
| big bang | 11/20/2005 |
| Q: i have been wondering about the big bang theory, it is supose to have come from a singularity, is ... A: Nice of you to tell me your age at the ouset. The universe appears to have started as one ... | |
| astronomy | 11/13/2005 |
| Q: 1.the earth spines about its axis and also rotates around the sun. what are the moon's movements ... A: 1 - the moon likewise, moves around the earth once every 28 days roughly, and iy simultaneously ... | |
| Black Holes | 11/8/2005 |
| Q: If black holes are infinitely dense, how can some be larger than others? How can one infinitely ... A: A very good question. Let me clarify.. 1 - When people are referring to "super massive", they ... | |
| Fictional attack on the moon | 11/5/2005 |
| Q: I am a 23 year old engineering student, and am currently trying to plan a sci-fi story that I wish ... A: Writing science fiction, (successful) has much more to do with ability of the author to skilfully ... | |
| Speed of light | 11/3/2005 |
| Q: How do you explain the speed of light slowing down in a different medium, such as glass? A: frankly i had never given that one anythought, but presumed it to be so "since we are told thus"! My ... | |
| Constellations | 11/2/2005 |
| Q: I am sorry to bother you and I appreciate you taking the time to answer my question...why is it that ... A: Why! the answer is very simple! In your own room, stand below a particular area under the cieling, ... | |
| Speed of light | 10/31/2005 |
| Q: If person A moves close to the speed of light and person B does not, does then reletive time slows ... A: yes & No! Meaning "younger" is not applicable to both frames of reference but is only relative. ... | |
| stars in draco | 10/25/2005 |
| Q: How many total stars are there in Draco, and how many of those stars are Major stars? Thanks A: 1 - There are 15 stars starting from Thuban, and ending with Dziban. 2 - There are only 3 stars with ... | |
| Why are orbits elliptical? | 10/25/2005 |
| Q: I am aware that all orbits around the sun are elliptical with the sun at one of the foci. But why ... A: remarkable how "sameness" exists in randomness. Your question shows "sameness" with another sample ... | |
| Earth | 10/22/2005 |
| Q: I know this may sound stupid, but what if, we excavated the earth to a point where we made it into a ... A: Strange you should ask a question of such fundamental value in understanding basic science. Takes ... | |
| exoplanets | 10/19/2005 |
| Q: I am doing a research on different methods astronomers use to find exoplanets. I am specifically ... A: That doppler spectroscopy was what flashed into my mind on starting to read your question. ... | |
| cosmic rays deflection | 10/16/2005 |
| Q: While I was reading about cosmic rays on the web I came across the fact that cosmic rays rarely ... A: you may read this link as a reference:- ... | |
| DARK MATTER | 10/13/2005 |
| Q: WHAT IS DARK MATTER? A: There is no direct evidence of Dark matter as it's existence is but the result of what the study of ... | |
| Career in astronomy | 10/3/2005 |
| Q: Is it possible to go into the astronomical field for a career without a math or science degree? A: Unfortunately, the days of considering space as the new wild frontier are gone! where any one with ... | |
| ptolemaic system | 9/29/2005 |
| Q: I have a question about the ancient astronomical system of Ptolemy, who lived in the 2nd cent AD ... A: My guess is as good as yours here mike! But you could try google. it workd wonders if you type in ... | |
| about ionized gas | 9/29/2005 |
| Q: In astronomy, a "singly ionized" gas is a gas in which just one electron has been removed from every ... A: Field theory suggests that electrons only fall into stable orbits where the length of the orbit is ... | |
| Liquid water on mars 1 billion years ago? | 9/28/2005 |
| Q: Is it true that the latest data tends to indicate that large quantities of liquid water (amounts ... A: Yes that is true..even carl sagan in his book cosmos has dealt at great length on the subject and ... | |
| Comets | 9/26/2005 |
| Q: May I Know the average number of comets entering our solar system each year? A: To my knowledge about 30, but why not type "average number of comets per year" into google and check ... | |
| ("Teegarden's Star") | 9/24/2005 |
| Q: I am interested in the distance of SO 025300.5+165258 ("Teegarden's Star"). I have heard all ... A: I already answered this question yesterday! i had included 2 great sites in answer to your ... | |
| astronomy | 9/17/2005 |
| Q: -can you go over this possible outline essay for me please?? You are driving in your car down a ... A: Sue, it is good essay no doubt! I do not know how old you are and consequently what "level of ... | |
| astronomy | 9/17/2005 |
| Q: can you help me with a possible thesis for this topic.thank you so much.. Do you know where i can ... A: Sue ..Sue! You arent even trying! Now that is not what i expected of you! I obviously cant do ... | |
| astronomy | 9/17/2005 |
| Q: . Do you know where i can find information for the outline you have given me. Thanks!HI expert! I'm ... A: Why sue..on the web ofcourse! 1 - type "earth like extrasolar planets" into yahoo or google search ... | |
| astronomy | 9/16/2005 |
| Q: I'm doing a beginners course on astronomy and I was wondering if you know some information about ... A: since you are doing a course, i have decided to skecth out a skeleton for you to flesh out with some ... | |
| Hi 12.8 billion years ago... | 9/16/2005 |
| Q: 12.8 billion years ago a star exploded and it's light has just been seen here, fine I have no ... A: . 1 - about the star that exploded 12.8 billion years ago. let us go step by step. assume a life ... | |
| Origin of the universe | 9/15/2005 |
| Q: If, as is popularly believed, the universe was created by the big bang, is it not reasonable to ... A: The verisame question was asked to me by another person a few days ago. Imagine the universe to be ... | |
| precession | 9/14/2005 |
| Q: I would like to know the precessional values of the planets. I have an idea that Earth is around ... A: Matt! I am no carl sgan! I will surf the web and try to look up a nice page where you will get all ... | |
| looking for a project subject | 9/12/2005 |
| Q: I want to work on an astronomical project and I'm looking for a subject, and is better if the ... A: If your magnification is right, you could also include the following: 1 - Time lapse movie of the ... | |
| looking for a project subject | 9/10/2005 |
| Q: I want to work on an astronomical project and I'm looking for a subject, and is better if the ... A: Well Well Golshan ..with all your expertise, and the good instruments you have invested in, and with ... | |
| Red shift and Blue Shift | 9/7/2005 |
| Q: My co-workers and I are trying to figure out this question. If we are correct, we are assuming that ... A: Debbie..Debbie.. You and your co-workers have got it all wrong! (No problem, understanding the ... | |
| space | 9/7/2005 |
| Q: During the Martian southern hemisphere's winter, the south pole becomes so cold that substantial ... A: Paul! I am no expert in martian meterology! :) To my knowledge no precise estimates are known about ... | |
| space | 8/25/2005 |
| Q: None of the Galilean satellites have an atmosphere that is anything like as substantial as Titan, ... A: Paul, Sorry for answering so late, I had to leave abruptly for india and could not get access to the ... | |
| Tilt of the earth. | 8/20/2005 |
| Q: I was just wondering if you could give me a simple explanation what the earth would be like weather ... A: Sorry for the very very late answer, i was away in India and could not get net access. Here is teh ... | |
| white holes | 8/11/2005 |
| Q: i have been reading about black holes after reading the book "breif history of time and space" by ... A: James! sorry ..sorry ..sorry.. I left abruptly for home and could not get connected for about 10 ... | |
| About Dark Holes | 8/8/2005 |
| Q: Can you tell me about these dark holes and how do they effect the universe? A: Edward, If you mean "black holes" when you say dark holes.. then .. 1 - ordinary Stars like our sun ... | |
| Moons Gravitational Pull | 8/3/2005 |
| Q: I have read that the moon and the earth are getting further apart by approx 4cms a year. Considering ... A: Interesting question. Chris, first of all remove from your mind the idea (it took me 30 years) that ... | |
| 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: Amir..This is religious debate! Religion being what it is..a powerful opiate for the masses..I ... | |
| The Moon in the Daytime sky | 7/23/2005 |
| Q: Hey! This is Rahul, I have some questions for you, hopefully you will be a good source for an answer ... A: Truly speaking I have never given a thouht to this. 1 - When is the Moon visible in the daytime sky? ... | |
| Void | 7/21/2005 |
| Q: Do we have a hypothesis or deduction with regard to what could be a void (something that lacks ... A: My reading about the void is more on the philosophical side than the mathematical or physics side. ... | |
| Meteorite Impact | 7/20/2005 |
| Q: Could a meteorite colliding with Earth cause a climate increase? I know that it could cause a ... A: When mount Krakatoa towards the beginning of the 19th century, exploded in the sunda straits, it ... | |
| 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: Hyder, If you are a beginner, (it DOES help to know you know), then DO NOT go in for any fancy stuff ... | |
| why sun appears to set in north west rather than south west | 7/14/2005 |
| Q: At the time of the summer solstice, the sun is directly over the tropic of Cancer. In Ireland, the ... A: Go directly to the sterisked (***) line towards the end if you want the answer directly, else read ... | |
| Supernovae Type II | 7/11/2005 |
| Q: Who discovered the first type II supernovae? Where was it located? Could you give me some ... A: The first "observed" (i use the quotes because the observer just saw it and did not classify it as ... | |
| The physics of black holes | 7/6/2005 |
| Q: Despite my efforts to understand the mysteries of black holes, I am still puzzled by several aspects ... A: To answer your question, by rights, i should myself be "uptodate" on the topic, which i am currenly ... | |
| comets | 7/6/2005 |
| Q: When will the next comet pass near Earth? A: Sorry..sorry..sorry..(was too busy to even breath!). By near earth if you mean "inner solar system" ... | |
| Black holes: Fiction or reality | 7/4/2005 |
| Q: I have studied about black holes. But found some contradictory informations from google and other ... A: Usman, 1 - There is a candidate known for quite a time, the x ray source cygnus x-1. At the ... | |
| solstice | 7/1/2005 |
| Q: On the summer solstice day(June21/22), it is generally stated that the solar declination is at its ... A: . I am NOT a real astronomer, so my "formula" may be correct or it might be wrong..(but i doubt ... | |
| solstice | 6/29/2005 |
| Q: On the summer solstice day(June21/22), it is generally stated that the solar declination is at its ... A: Imagine yourself positioned over the plane of the solar syatem, with either solstices in the updown ... | |
| Life On Neptune | 6/9/2005 |
| Q: In the water in neptune, could there be sea creatures living there? Is it scientifically possible? ... A: One must say with some truth..that water is on all planets! Because it existed in the cloud out of ... | |
| web sites | 6/6/2005 |
| Q: please itroduce me some interesting sites thanks A: 1 - astronomy type in "hubble heritage project" into google and search. You will find a gold mine of ... | |
| Supernova | 6/2/2005 |
| Q: What is supernova?Is it possible earth will face the same phenomenom as the other planets which will ... A: (opps! that sort of sounded lik a "highjack" but let it go at that..) Firstly planets never go ... | |
| The ground track of a geosynchronous orbit | 5/24/2005 |
| Q: I was reading about the difference between GEO and GSO orbits. As i anderstand why a GSO satellite ... A: For understanding certain physical concepts, we have to resort to "other means". Such as .. 1 - Put ... | |
| Distance from sun | 5/19/2005 |
| Q: Why does Mercury's distance from the sun differ A: There are 2 aspects to that. 1 - Mercury has an elliptical orbit. It's orbit is 12 times more ... | |
| cosmic rays | 5/16/2005 |
| Q: I know there is no difference in the intensity of a cosmic ray during the day or night. My question ... A: Mike, the bearing is direct! Since no variation is observed from day to night, in the variation of ... | |
| Rotation of galaxies. | 5/13/2005 |
| Q: I've read that our sun is rotating with our galaxy. However, does this mean our galaxy is revolving ... A: 1 - yes our galaxy is revolving about its axis that passes thru its central spherical hub. 2 - If a ... | |
| Crossing the universe through black holes | 5/11/2005 |
| Q: I am curently reading the book "The iron Sun" by Adrian Berry about crossing the universe through ... A: Truly speaking, I am NOT an expert on relativity! But I can just say this ..that for the lorentz ... | |
| Big Bang Singularity. | 5/11/2005 |
| Q: Was there a Big Bang Singularity at the beginning of time? I there is how can we prove it? Will the ... A: 1 - Yes! The evidence so far suggests strongly that there was an event about 15 billion years ago ... | |
| Earth's Orbit | 4/24/2005 |
| Q: If the Earth stopped revolving around the sun what do you think would happen to all of the people on ... A: maddy! Dont you think this line of questions has stretched a bit too far? Firstly the earth would ... | |
| Earth's Days | 4/23/2005 |
| Q: If the earth stopped revolving around the Sun would the days get longer or shorter? A: One would find the length of the day (at any given latitude) would become permenanently "fixed"! ... | |
| Earth's tides | 4/22/2005 |
| Q: If the Earth stopped revolvingwould the tides be affected? A: Many questions from you..you are out gunning sarah on this topic! please refer my answer to another ... | |
| Earths water | 4/20/2005 |
| Q: If the EArth stopped rotating would it effect the water on Earth? For example would it melt or ... A: No I never worked for NASA! (However if i ever did, i would have liked to work on their mars ... | |
| solar system | 4/20/2005 |
| Q: do any other stars besides the sun have any effect on the earth? A: Merdith! There is nothing that is isolated in this universe! God made sure of that by creating long ... | |
| Earth | 4/19/2005 |
| Q: If the earth gradually stopped what would be the difference of people on the north pole and people ... A: In such a scenario, if the rate of the slow down was truly slow, then even at the equator, there ... | |
| Earth's Rotation | 4/19/2005 |
| Q: ------------------------- Where di yo learn this? Followup To Question - What would happen if the ... A: Sarah! All one does in life is learn! Knowledge is like a mighty jigsaw puzzle god presents us as ... | |
| Earth's Rotation | 4/19/2005 |
| Q: -------------------------If the Earth slowed down to a stopping point still revolving, not rotating ... A: Sarah, I answered a similar one for merdith. Could you just go thru it? the link is ... | |
| Earth's Rotation | 4/19/2005 |
| Q: What would happen if the Earth stopped rotating gradually? A: The earth is INDEED slowing down even now, thanks to the tidal locking of the moon to the earth. ... | |
| Earth | 4/18/2005 |
| Q: What do you think would happen if the Earth stopped revolving around the Sun? A: . First and foremost, we all would die! If by "stopped revolving" you mean go away from the sun or ... | |
| Earth's Rotation | 4/18/2005 |
| Q: I was wondering if yo ucould tell me What would happen if the earth slowed done in rotating ... A: The earth is INDEED slowing down even now, thanks to the tidal locking of the moon to the earth. ... | |
| Io's orbit | 4/15/2005 |
| Q: Io is very volcanically active as it is torn between the gravitational fields of Jupiter and the ... A: No! If that were so, poor io is so small, that in a couple of million years it would have lost all ... | |
| My question is going... | 4/8/2005 |
| Q: My question is going to sound a little crazy but please If u can answer it, Then please do. ... A: It will take a huge planet atleast half to 1/3rd the size of the earth to give the earth a glancing ... | |
| blackhole | 4/8/2005 |
| Q: If black holes move around isnt it possible for one to get earth? whats the probability of one ... A: Jocelyn! Your persistent questions are bothering me a bit! :) Hope you are serious here. Jocelyn, ... | |
| Palnet x | 4/6/2005 |
| Q: Do you have any information on Planet x? Where is it?, Will there be any consequenses for Earth?, ... A: I am not much upto date on planet x. All i know is that it is yet not decided whether to call it a ... | |
| flat | 4/6/2005 |
| Q: Could you please tell me why do the planets in our solar sistem have all their orbits (except Pluto) ... A: The answer lies in plain newtonian physics. In the orbital plane the bodies tend to fall into stable ... | |
| Earth's escape velocity | 4/3/2005 |
| Q: What velocity is required for an object to leave the Earth and enter (land on) the Moon? A: The earth's escape velocity is 11 km / sec approx. to be exact, The minimum velocity that a body ... | |
| blackhole | 3/29/2005 |
| Q: -Cosmological decade 38 begins the black-hole era. Black holes feast on material sucked in from ... A: Jocelyn! I think i answered all those questions in my first answer! basically i answered all your ... | |
| blackhole | 3/27/2005 |
| Q: i had a few questions and hope you can answer them:) Will the black hole at the center of the Milky ... A: Hope you arent pulling my leg here! 1 - No the black hole in centers of spiral galaxies, do not end ... | |
| CONSTELLATIONS | 3/26/2005 |
| Q: Hi could you tell me what the galactic neighborhood for the constellation microscopium is? thanks A: I tried to find that out for you on the web. here are some links.. 1 - ... | |
| redshift | 3/25/2005 |
| Q: One can discount gravitational redshift caused by stars in a distant galaxy, but is a tug from its ... A: Bill! One must never loose sight of the fact that the so called mighty pulls are but very weak ones ... | |
| Celestial Mechanics | 3/23/2005 |
| Q: How can I calculate the rotation peroid of a celestial body (planet). Is there a fmla? Is it ... A: there is no fixed formula for rotational periods of celestial bodies. These periods are the ... | |
| Big Bang and Black holes | 3/22/2005 |
| Q: i really dont wanna waste your time, but i´m very curious about certain aspects of space and ... A: I am not a mind reader,..but i get a sneaky feeling that you do very much have some "other" interest ... | |
| The Earth | 3/16/2005 |
| Q: Can you help me? I have emailed the following questions to people who should know the answers, i.e. ... A: Terry earth shaking questions these! :) How old are you? 'Cause the answer would greately depend on ... | |
| Gravity | 3/14/2005 |
| Q: Does gravity effect a person's height?? A: No and yes! Katie, it is more like asking "is oxygen beneficial for life"..there too one has to say ... | |
| duration of full moon | 3/9/2005 |
| Q: Just a simple one here- During the Full Moon Phase, I'm curious on what the average number of hours ... A: Your question has a simple and a difficult answer. The simple answer as i discovered on many sites ... | |
| stars | 3/8/2005 |
| Q: Why does the sky seem more populated with stars one night, and the next there seem to be far fewer? A: The glare of moonlight! As the moon waxes and wanes, it's light obscures weaker starlight, very much ... | |
| black holes and neutron stars | 3/7/2005 |
| Q: I'm writing a science fiction novel and I need to know if exotic matter with a negative energy ... A: 3 other people (young ones i would guess from the nature of their questions!), have already asked me ... | |
| Supernovae | 3/7/2005 |
| Q: What instruments are currently used to detect Supernovae? A: Supernovas can still be detected by the relatively "anciet" technique of "merely" watching! I mean ... | |
| black holes | 3/6/2005 |
| Q: How can a black hole emit x-rays, and what evidence do we have that black holes really exist? A: It is NOT the hole, but it's environs, cheifly the matter inside the accretion disk associated with ... | |
| neutron stars | 3/6/2005 |
| Q: Why is there an upper limit to the mass of neutron stars? And why is it not well known? A: Alan, There is an upper limit for the simple reason that beyond such a limit there is one more ... | |
| stars | 3/5/2005 |
| Q: do you study the stars in the sky?-i'm curious, are they "suns" in other galaxies?(i'm guessing not ... A: No I do not study stars in the sky in the same way as astronomers do! I just read more about them ... | |
| Pluto's Creation | 3/4/2005 |
| Q: why it is unlikely that Pluto was created at the same time as the rest of the planets in the solar ... A: Sorry for the delay. Two things resulted in this slow response. One, your question was quite a ... | |
| eclipses | 3/2/2005 |
| Q: do other planets have solar and lunar eclipses A: why should they not? Jupiter with its multiple moons and saturn has eclipses like earth, but as in ... | |
| Nearby, habitable Planets | 3/1/2005 |
| Q: What is the current, widely accepted expert opinion on the presence of habitable planets anywhere ... A: The sun has certain important features that set it apart from others. Though it is not unique, but ... | |
| Faster than Light | 2/27/2005 |
| Q: I was reading about the Gigantic Energy Burst we had sometime last week and came across an article ... A: There are pages on the web saying what you are saying. example:- ... | |
| Stars | 2/25/2005 |
| Q: Can you tell me what causes some stars in the night sky to twinkle and some not? A: Actually stars are very very distant and very bright sources of light. This makes them appear to us ... | |
| Visible Stars | 2/24/2005 |
| Q: I would like to know if living in one area in one year is is possible to see with the naked eye at ... A: No paul! What about the southern stars? (if you are in the northern hemisphere. What about the ... | |
| Microwave Radiation and looking into the past | 2/22/2005 |
| Q: something I just don't get. Bet you probably get this question a lot. my problem with m radiation ... A: Terry you have got all worked up! Relax! Reminds me of my young days when during cavation i would ... | |
| Milky Way | 2/21/2005 |
| Q: My son is doing a project about the galaxy and the Milky Way. We've been doing a lot of reasearch, ... A: Karen, Here is an excellent site that will help your son to build a diorama or mobile. the site is ... | |
| physics | 2/19/2005 |
| Q: meaning of black hole A: It would help if you told me your grade, so i could decide how simple or complicated an answer to ... | |
| Astronomy | 2/18/2005 |
| Q: The big bang theory tells us that the universe began as a singularity that has been expanding ever ... A: Garry! You seem to have overlooked gravity! Secondly, new light on the big bang especially by the ... | |
| black hole | 2/16/2005 |
| Q: what is black hole?thank you A: A black hole is the remnant of a massive star (more than 5-6 times the the sun's mass. Even at the ... | |
| The astronomical morning twilight | 2/15/2005 |
| Q: If you please I would like to know what is the effect of the altitude on astronomical morning ... A: by definitions (ref:-http://www.sunrisesunset.com/definitions.html) Astronomical Twilight ... | |
| Black Hole Conundrum | 2/13/2005 |
| Q: If nothing can escape a black hole, where does the gravity come from? (This question is ... A: Strange that i answered your question yesterday but it somehow did not register as answered and ... | |
| does it make sense | 2/2/2005 |
| Q: i need to know if these make sense, if they don't, why not? 1) white dwarf supernovae are useful ... A: Jono I hate classwork/homework questions! 1 - False! Stars that make white dwarfs dont make ... | |
| true or false | 2/2/2005 |
| Q: hey there, i need to know if these are true or false, if false, why? Thanks 1) stars that began ... A: Jono I hate classwork! 1 - False as Massive stars HAVE to spend fuel faster to maintain pressure ... | |
| moon | 2/1/2005 |
| Q: If the moon had oceans would these oceans have tides? My science teacher said that they would, but i ... A: He is right plain and simple! The principle of reciprocity! If One body od a pair, affetcs another ... | |
| Double star | 1/31/2005 |
| Q: How can an astronomer recognize a double star from the characteristic frequencies of the light that ... A: That can be found by studying the "wobble" of the star. Light from a double star (where one ... | |
| on photometry | 1/29/2005 |
| Q: sir I have a dought on photometry what is photometry and how we get information from that one i ... A: Rajesh, When you have such doubts, quickest way to get correct answer is to type "define: ... | |
| Theoretical end for white dwarf stars | 1/25/2005 |
| Q: I've read a few articles about scientists monitoring some white dwarf stars they are fairly certain ... A: Surely, Diamond material WILL exist on White dwarf stars PROVIDED, their surfaces have cooled enough ... | |
| about anti matter | 1/22/2005 |
| Q: Thanx for answering the previous question but i still have one doubt i.e. how energy from antimatter ... A: No! Please understand one thing here, by efficiency if you are taliking of "usable energy", we will ... | |
| about anti matter | 1/22/2005 |
| Q: Would you please send me in brief about ANTI-MATTER Thanking you, ... A: How brief can i be? I wonder..:) Well raghu ill list some points..in brief ofcourse! 1 - Anti matter ... | |
| the recent Earthquake/Tsunami | 1/20/2005 |
| Q: Having read the science reports on the Earthquake in the indonesian region,I read that (Among other ... A: 1 - Does the rotation of the earth fluctuate? Actually it does, gradually! The tidal action of the ... | |
| Moon's orbit | 1/19/2005 |
| Q: I'm a university student taking first year astronomy. so far we've been looking at the foundations ... A: Lara, definitions first! 1 - synodic month:- (thanks to google) The period of time between two ... | |
| employment in astronomy | 1/19/2005 |
| Q: sir I am a student of Astronomy in osmania University in India . I want to know what is the ... A: Rajesh! I am NOT a professional astronomer! I did look up in Yahoo search engine using the string ... | |
| astronomy | 1/18/2005 |
| Q: Can you tell me whether scientists now could make sure thar there is life on Mars A: No true scientist ever says anything with CERTAINITY until he OBSERVES Facts. The facts so far are ... | |
| Life on Mars | 1/11/2005 |
| Q: If life existed on Mars a long time ago, what kind might it be? What would it look like, and how ... A: As per current estimates, there WAS flowing water on mars in the early history of the planet. ... | |
| Supernova SN1987A | 1/10/2005 |
| Q: I have a copy of National Geographic and another book mentioning the now famous Supernova Sanduleak ... A: The star has been detected by hubble, and astronomers have confirmed it IS the one, based on its ... | |
| definitions | 1/8/2005 |
| Q: what is the definition, in laymans terms please, of ultra and super infinity? A: There is nothing such as ultra-infinity or super-infinity. Infinity itself is NOT a well defined ... | |
| Super organism universe. | 1/7/2005 |
| Q: Can we view the universe as an super organism (explain)? Sincerely, Max. A: I wouldnt know about the universe, but there is a theory that is current for quite some decades now, ... | |
| Distance b/w the sun and earth | 1/5/2005 |
| Q: what is the distance between the sun and the earth during a vernal equinox or summer solstice? site ... A: You have Yahoo search to thank for this! I tried Google, but could not hit "pay dirt" soon enough! ... | |
| Suns's movement in the galaxy | 1/4/2005 |
| Q: I am doing research for a book and have a question about the movement of our Sun as it travels ... A: Good to know of your "double interests" too. I have NOT COME ACROSS any direct references to such a ... | |
| Black Holes | 12/28/2004 |
| Q: I have been learning about black holes, and I know that a black hole is an object with an escape ... A: To a great extent we are in the same boat! The Einsteinean gospel is that massive objects warp space ... | |
| Milky Way Galaxy | 12/27/2004 |
| Q: Our science teacher gave us an assignment over the holiday break. I not sure if one of the questions ... A: I am not sure if she had any tricks on her mind about this question, but the answer is yes and no! 1 ... | |
| space elevator | 12/27/2004 |
| Q: Is it possible to connect a space elevator from Earth directly to a space station if the station is ... A: Actually Arthur Clark has written a Sci-fi novel that deals with such a space elevator. I still ... | |
| Parallax | 12/22/2004 |
| Q: I know that parallax was the first official proof that the earth moves and not the sun, but why ... A: Debby, but there is a difference, The stars "do not move" as venus does! Instead, they show ... | |
| With regards to terraforming mars... | 12/9/2004 |
| Q: I see quite a bit of stuff about this and i was wondering would the gravity of mars be sufficient to ... A: An interesting question! No matter how outlandish i may think, there is NO way i can ALTER laws of ... | |
| Stellar Core Reactors | 12/8/2004 |
| Q: Would there be any fission reactions in a star aside from the prominent fusion reactions? Also, ... A: All stars are more than 99% hydrogen when they start. By fusion in the core, the other elements are ... | |
| Looking Back? | 11/29/2004 |
| Q: I heard that when you look at certain stars in the sky, it takes so long for the light to travel to ... A: There IS an easy way! Sound analogy. You MUST have heard echoes of sound in your life! Some echoes ... | |
| Photography? | 11/22/2004 |
| Q: I would like to take deep-sky photos. I already know some basic astronomy. I already have a small ... A: To start with, here is a web page that recommends certain improvements to your existing model! These ... | |
| Galaxies | 11/21/2004 |
| Q: I have a question about rotating bodies of all kinds in space: galaxies, stars, solar systems, ... A: You are correct about the solar system..its planets spin around the sun in the same way. But that is ... | |
| Cosmology | 11/19/2004 |
| Q: I have a question about the big bang theory. If the universe had a beginning in the event of the Big ... A: Johnny one should never be in a hurry to conclude about anything on a "personal" basis! I am ... | |
| true/false | 11/17/2004 |
| Q: i have 2 statements, i need to know if they are true or false, and if false, i need to know why 1) ... A: 1 - Not true. Weight is a feeling the body associates with acceleration of any kind. Hence in high ... | |
| do these make sense? | 11/17/2004 |
| Q: do these statements make sense? why/why not? 1) if the sun's surface became much hotter (while the ... A: Earlier Jonny asked me questions with SAME titles! Anyway.. 1 - true. because, the emission spectrum ... | |
| true or false | 11/17/2004 |
| Q: i have 2 statements, I need to know if they are true or false, and if false, I need to know why, ... A: 1 - That is because the total mass of the solar system is almost all of it in the sun! less than 10 ... | |
| do these statements make sense? | 11/17/2004 |
| Q: I have 2 statements, I need to know if they make sense, and if they don't I need to know why. ... A: 1 - The first statement is completely true. The reason is that the earth's orbital parameters are ... | |
| Revolution/rotation of the earth | 11/12/2004 |
| Q: Is the speed of the earth's rotation around its axis and its revolution around the sun constant? ... A: If you look at it too exactly, both are inconstant! 1 - The gravitational tidal coupling between the ... | |
| coordinate systems | 11/11/2004 |
| Q: I take the classical position that I am standing in the centre of a sphere, and the stars are on the ... A: I would have loved to answer your question ... However a grave personal tragedy has overtaken me. A ... | |
| Space technology | 11/9/2004 |
| Q: So can you please answer these questions below as soon as possible. The history of space clothes for ... A: For general reference, use http://school.discovery.com/lessonplans/programs/iss/ 1 - Look up ... | |
| Space technology | 11/9/2004 |
| Q: What sort of clothing do they were in space? How do they do their sanitation in space in the ... A: Space suits worn by astronauts before the advent of the shuttle were stiff things where 1 - even ... | |
| black holes | 11/4/2004 |
| Q: Is it true that the gravitational field around a black hole is strong because black holes have ... A: No! Infinity is a concept! An Abstraction. This word is NOT TO BE USED LIGHTLY! It is normally used ... | |
| once again twin star system | 10/27/2004 |
| Q: I would like to ask some other questions about twin star system. From the planet observer view. Are ... A: In continuation of my previous answer.. from any planet's point of view.. 1 - If one took equator to ... | |
| star system | 10/25/2004 |
| Q: There are a certain solar system which contains; 1. two similar stars with approximately equal level ... A: 1 - If both stars have approx equal mass, and are separated by distance d and have mass say m, then ... | |
| I need to know if I did this... | 10/23/2004 |
| Q: I need to know if I did this right. I need to know the number of miles in light years using ... A: Tell you what! (if you are in a hurry, go directly to end of the answer else take time and browse ... | |
| Regulus, is a class B star... | 10/22/2004 |
| Q: Regulus, is a class B star in Leo and has an aboslute magnitude of 0, The sun has an absolute ... A: 1 - Regulus has absolute magnitude 0 (actually -0.6: ref link6), is 77 light years away. 2 - The sun ... | |
| Why did the Greek astronomers... | 10/20/2004 |
| Q: Why did the Greek astronomers conclude that the heavens were made up of perfect spheres moving at ... A: I suggest you read 2 books Cosmos by Sagan and Asimov's Bible. Each has meticulously and ... | |
| Very distant objects | 10/18/2004 |
| Q: Followup To Question - Hi! How many lightyears away is the most remote object we can see today? ... A: Sorry! Hope you will bear me out a bit more. I have been far from succinct as you have demonstrated ... | |
| Very distant objects | 10/17/2004 |
| Q: How many lightyears away is the most remote object we can see today? Let's say that it is X ... A: Guess it was a hunch. (hunches it seems improve with age!). Now on to your argument. >Now step 2. If ... | |
| Very distant objects | 10/17/2004 |
| Q: How many lightyears away is the most remote object we can see today? Let's say that it is X ... A: You are correct! And I cannot sort it out if you mean getting absolute actual "current" distance to ... | |
| electomagnetic spectral radiation | 10/16/2004 |
| Q: The planet Saturn appears yellowish to the unaided eye, while the planet Mars appears reddish. The ... A: The contradiction is because, apparent color is decided by "reflection" in case of the planets. ... | |
| white holes | 10/10/2004 |
| Q: Could you tell me in layman's terms what a white hole is? Thanks amanda A: Amanda, In layman's terms, 1 - A white whole was earlier thought to be the "other end of the ... | |
| Spacetravel & asteroids | 10/8/2004 |
| Q: ------------------------- Followup To Nothing less than a proto planet or a body comparable to ... A: Sorry to have kept you waiting! It appears the site was inaccessible for a couple of days to us from ... | |
| astronomy | 10/6/2004 |
| Q: what does the H-R Diagram have to do with estimating a star cluster's age? explain to me what is ... A: Good to get two Q's one after the other from you.. well, here is a very nice link that explains it ... | |
| astronomy | 10/6/2004 |
| Q: what does the sun's mass and gravity have to do with the sun's brightness? is it nuclear fusion? i ... A: Not knowing exactly where you have the problem, I have given a rather longish answer. Hope you do ... | |
| Spacetravel & asteroids | 10/5/2004 |
| Q: I've got two questions in light of a SciFi story I'm writing. Even though it's merely SciFi, I do ... A: In case you are interested, there was an interesting exchange on sci-fi writing between another ... | |
| astronomy and the layers of the sun | 10/3/2004 |
| Q: how are sunsppots formed? A: Sorry Brenda, I was a bit tied up with work and could not reply to you earlier. On second thoughts I ... | |
| Astronomy/Earth Science | 9/24/2004 |
| Q: This is very hypothetical, but I ask this question to my highschool science classes to make them ... A: What strikes me here is the percieved connection of oxygen / sun. The Arctic Tundra has an enigmatic ... | |
| Stars **wrong return email address last time | 9/21/2004 |
| Q: Followup To Question -Stars - What are they for? Jayen Again thank you for your respose. Yes of ... A: Okay Mike, bye...that was an interesting exchange afterall despite the so-called "small" question! ... | |
| life in space | 9/21/2004 |
| Q: I'm new to astronomy (though I've always been fascinated by the idea of it) so this may seem like a ... A: Amanda, i must admire your courage in asking what you think others might consider as dumb. (People ... | |
| Stars **wrong return email address last time | 9/20/2004 |
| Q: Followup To Question - Stars - What are they for? Jayen Thank you for giving what might have ... A: Yes your question was completely "all philosophy". The english astronomer eddington in one of his ... | |
| Stars **wrong return email address last time | 9/19/2004 |
| Q: Stars - What are they for? Thanks for response. Its not at all tiring to give you further info. I ... A: Hope you got the answer to BOTH your posts earlier. Actually this question of purpose falls under ... | |
| Stars **wrong return email address last time | 9/19/2004 |
| Q: What are they for? Note: Using our local star as an example, an answer to this question that ... A: what is this all about? the heading of your question says "Stars **wrong return email address last ... | |
| Stars | 9/19/2004 |
| Q: What are they for? Note: Using our local star as an example, an answer to this question that ... A: . Er..I think i saw the last post first..or something like that.. I will try a shot at your question ... | |
| Existance of a particular Red Star | 9/18/2004 |
| Q: Is it urban legend or a fact that a star closer than alpha Centauri exists? According to Internet ... A: Huff, I hope you are not talking about PROXIMA Centauri, which is red and happens to be closer to us ... | |
| Different rates of change of altitude for different stars | 9/16/2004 |
| Q: Why do I obtain different rates of change of altitude for different stars? A: Laura, If i understand you right, you most probably find stars that are spread around +/- 45 deg the ... | |
| Astronomy | 9/15/2004 |
| Q: What is the mass of the sun? A: (It always strikes me how some people have great and mysterious names!) If you are too young for ... | |
| planets | 9/10/2004 |
| Q: if the sun was to burn out what if any would be earths new sun A: If that were to happen, THAT would be the last thing on our minds! The all pervading chill would ... | |
| Orbits of planets | 9/9/2004 |
| Q: Exactly why do planets rotate around the sun in ellipses and not in circles.And why do they rotate ... A: The planets go round the sun in elliptical orbits not due to any particular reason, but simply ... | |
| quote... | 9/7/2004 |
| Q: i was reading about string theories and came across these few paragraphs.... "Is spacetime ... A: Sorry for the delay, I was travelling India to the gulf and was too busy to even breath! Any way, ... | |
| radius of moon's orbit | 9/6/2004 |
| Q: the radius of the moon's orbit is about how many times larger than the radius of Earth? A: The radius (mean) of the moons orbit is 384400 km. The earth's radius is 6377.88 km So your ratio ... | |
| helium-3 on moon | 9/5/2004 |
| Q: Respected Sir, I want information about helium-3 on moon which can act as a fuel for us for ... A: Raghu thanks for bringingup a new topic for me. Actually the helium trapped there, is only in the ... | |
| Science/Math | 9/1/2004 |
| Q: How long does it take light to travel from the Sun to the Earth. (In math terms)How do I find out ... A: You could have a straightforward answer using google search engine thus:- type without enclosing ... | |
| can you help to choose a telescope? | 8/30/2004 |
| Q: What telescope do you recommend? I have $400. Thanks. Mike. A: First and foremost recommendation is.. DONT THROW ALL THAT MONEY AWAY IN A HURRY! And I am not ... | |
| Nebula | 8/29/2004 |
| Q: how can we define a NEBULA.And also tell me about lagoon nebula A: If uou have access to google, just type define:Nebula into the "search" pane. You will get a number ... | |
| The Cassini Mission | 8/22/2004 |
| Q: Has The Cassini Mission launched in 1997 reached Saturn and do you have any good interrnet sources ... A: This link http://www.nasa.gov/mission_pages/cassini/main/ says it all! And for latest images, this ... | |
| galaxy question | 8/19/2004 |
| Q: Is there a Galaxy called Pegasus? If so, haw far is it from earth? Do you know of any websites ... A: Questions such as these I answer using NOT my knowledge but a simple resort to Google! Type ... | |
| Mercury | 8/17/2004 |
| Q: This article states that there is a theory that Mercury is shrinking and that the core would be ... A: Mercury's dayside temperature is 1000 degrees F. Converted to Degrees centigrade, that is not enough ... | |
| solar system | 8/12/2004 |
| Q: . i need help! how can you interrelate the solar system, earth's motion and the earth's moon and the ... A: Actually the question is not very clear.. Interrelate in what way? Any interrelation implies ... | |
| Sag DIG | 8/4/2004 |
| Q: I'm reading about the Milky Way, clusters etc and i came across the term Sag DIG. Can you please ... A: Sag DIG is a gas-rich, blue dwarf irregular galaxy with some known recent star formation. It is also ... | |
| PLEASE READ,, PETER | 8/3/2004 |
| Q: JAYAN, PLEASE READ, AT LEAST DOWN TO THE PART WERE "LEE SMOLIN" MIGHY BE ON TO SOMETIMNG WITH HIS ... A: Yes read all of it. Sagan in his Cosmos also "ruminated" along similar lines.. picturing universes ... | |
| Reply to answer. pete mastellone | 8/1/2004 |
| Q: Jayen, Steven Hawkins has stated that there is a possibility of Multiple Universes (1) Also, all ... A: 1 - Dark matter mainly is understood to be comprising of Brown dwarfs, too faint to be seen, ... | |
| spacecrafts | 7/31/2004 |
| Q: .. can u tell me about the explorations in the moon? thanks a lot... A: The space exploration unfortunately was supposed to be a glorious saga of exploration but now with ... | |
| explorations on moon | 7/31/2004 |
| Q: .. i hav heard on tv that the landing of armstrong in moon was not true? but ofcourse i do believe ... A: Raiza, when I was young, I saw the moon photos in Time magazine. I was also very surprised and ... | |
| Gravity and Black Holes | 7/31/2004 |
| Q: I have a set of question which are not of high intellect primarily because i never care to ... A: Not being interested in school does not qualify one to be called Dull or stupid! If that were true, ... | |
| Reply to answer. pete mastellone | 7/30/2004 |
| Q: Jayen, I was born at midnight on 8/23/54. How did you know! Is this one of those Astrology ... A: Peter, if you had dabbled in "competitive astrology" (no dont look for it anywhere ..i just coined ... | |
| Right ascension | 7/30/2004 |
| Q: I have a question I have to understand how to answer for an online class, several other questions ... A: Colleen this is a good example of a cryptic question! :) I must say I am beginning to understand ... | |
| ly | 7/29/2004 |
| Q: What is ly? For example, "The Galaxy is 100,000 ly across and 2,000 ly thick". A: If you typed "LY" that is "Light-year", because that unit sort of comes in handy when describing the ... | |
| STAR CLOUDS IN RELATION TO BLACK HOLES | 7/28/2004 |
| Q: (PLEASE EXCUSE GRAMMER & THANK YOU FOR YOUR TIME) 1. BASED ON THE STATEMENT (FACT) THAT THE ... A: Before I answer that nice question.. Are you a virgo? Because no one else so far have been ... | |
| black holes and big bang | 7/24/2004 |
| Q: "Hello my name is lucy and I am 15 and have been interested in astrology for a few years . I was ... A: I will say you must use the HUGE repository of knowledge that is out there on the web, just waiting ... | |
| Moon | 7/22/2004 |
| Q: I have read the latest theories on how the moon was formed but nothing was mentioned about the fact ... A: It may not have been mentioned as it may have not been of importance in the context of whatever ... | |
| oxygen and o-zone layer | 7/21/2004 |
| Q: Does our o-zone layer hold the oxygen around the planet? Meaning if the o-zone was ... A: No! Its is plain old gravity! Meaning that all the gases (including oxygen and even the ozone) are ... | |
| Galaxies | 7/16/2004 |
| Q: As I began to develop an interest in this field, I was always curious about the galaxies. I just ... A: 1 - Andromeda location:- For quick unaided location.. To put it simply, first locate cassiopia. Its ... | |
| the sky | 7/12/2004 |
| Q: Why is the sky blue on Earth but Pinkish on Mars? A: Hmm.. I answere that one on askme.com atleast i think a dozen times. 1 - The sky is blue because the ... | |
| ecliptic plane | 7/12/2004 |
| Q: actually i dont know the bode-titus law, could you explain it to me, or have a link to it? how do ... A: just type "bode titus law" in google and you will get a dozen pages or more on that topic. ... | |
| elements | 7/12/2004 |
| Q: last year, my 9th grade AP physical Science teacher told us that elements cannot be created from one ... A: charles.. The word is "FUSION" not "fission" when applying to stars. What the teacher most probably ... | |
| ecliptic plane | 7/12/2004 |
| Q: okay, since all the planets were formed by the solar accretion disk, how come the astroid belt ... A: No charles..this is where the "history" part comes in. The original planets have not remained intact ... | |
| ecliptic plane | 7/10/2004 |
| Q: why are all of the planets on a single plane? with the exception of Pluto's 17.2 degree incline? A: . I believe its you who asked me the previous question regarding accretion disks! If so, it should ... | |
| black hole's accretion disk | 7/10/2004 |
| Q: What is a black hole's accretion disk and how does it form? A: 1 - Black holes can form accretion disks only when there is a source of matter nearby, such as ... | |
| solar system | 7/9/2004 |
| Q: sir, whether the 10th planet is found or not??? how is it called???please send me the answer ... A: There is no known 10th planet in our solar system though some one comes up with "conclusive ... | |
| solar system | 7/3/2004 |
| Q: I read in a book that-"A deep ocean beneath the icy crust of Europa (one of the Jupiter's moons) may ... A: A very pertinent question. Nasa is indeed interested in this, and the galeleo project is one for ... | |
| Statistical- Atstronomical | 7/3/2004 |
| Q: How much light is received by the earth(especially by our India) in 1 day?And what amount of money ... A: Since you are asking about "light recieved (whether by India or earth..) as a function of time, i ... | |
| solar system | 7/1/2004 |
| Q: I read in a book that NASA had been planning to send a probe,"THE PLUTO EXPRESS" ,to study the ... A: yes the pluto express was concieved as a 2 spacecraft mission to be launched in 2001 and reaching ... | |
| further away from sun in summer, why hotter | 6/21/2004 |
| Q: I live in co.usa. I understand the earth is tilted on its axis 23 degrees and we make an eliptical ... A: Grove, I was under the impression that the earth's orbit is almost a circle! (eccentricity is to be ... | |
| planetismals | 6/16/2004 |
| Q: I want to know what the planetismals are, please. A: Have you heard of the titus-bode law? it states that distances from the sun of all planets follow a ... | |
| moon/earth | 6/15/2004 |
| Q: How long does it take the moon to travel around the earth and how do they calculate this and when ... A: The length of one lunar month (sidereal month) is 27 days 7 hours 43 minutes approximately. This is ... | |
| Astronomy | 6/15/2004 |
| Q: What are some of the common elements composing the Earth? A: The most abundant element is Silicon! (silicon-dioxide or silica). This constitutes most of the ... | |
| landing on the moon | 6/11/2004 |
| Q: i waz watching a movie and when they put the flag on the flag was moving like there was wind on ... A: Truly spoken! Regarding the waving of the flag, the nasa people put out an account of how that ... | |
| welders glass | 6/7/2004 |
| Q: My question is if it is safe to use welders glass to look at the sun. That is to see venus cross it ... A: So sorry! I read your question today morning but could not answer it as the web was down and the ... | |
| Asteroids | 6/4/2004 |
| Q: Sir, will there be any chance of our planet earth collide with an asteroid or any other planet in ... A: Why yes of course! The earth could very well be hit by an asteroid but not by a planet. Also your ... | |
| Absolute space & relativity | 6/2/2004 |
| Q: My name is anup & I want to ask you very baffling questions. 1)If a train on the earth moves with ... A: 1 - Anup the speed of light is (as of now) considered to be a universal constant. So one may not add ... | |
| Ricocheting meteorites | 6/1/2004 |
| Q: I am hoping you will be able to answer my questions on meteorites. Is it possible for a meteorite to ... A: 1 - Meteors do recochet off landmasses / planet surfaces. That is the reason why we got a martian ... | |
| The Death of Our Sun | 5/20/2004 |
| Q: I was wondering what will happen to our solar sytem when the sun burns out. Will the planets that ... A: I think it was einstein who said "god does not play dice"..meaning in nature everything follows the ... | |
| Radiotelescopes and us | 5/20/2004 |
| Q: Good afternoon, Jayendra I was wondering how far away we could reasonably expect to detect a ... A: Rod, That would all depend on how big an antenna and relevent resources the "looker" has invested ... | |
| sun | 5/18/2004 |
| Q: why the corona of the sun is far hotter than the photosphere if it is further away from the sun ... A: I truly had never updated myself on that! So i did what you might have done..looked it up on the web ... | |
| astronomy | 5/17/2004 |
| Q: in which diretion does the moon appear to move during the course of day A: The earth's own rotation makes the moon appear to go east to west at 15 deg /hour. Simultaneously, ... | |
| interview | 5/16/2004 |
| Q: My name is Fred Jinkens and I am required to do an interview with someone about the job that you ... A: I could not get the job part right..but that should not be a hindernace in answeing your question. 1 ... | |
| Moon | 5/15/2004 |
| Q: I am doing a science project and it says I have to "Study the full duration of a moon rise and moon ... A: If you dont mind, just to make it a bit more exciting for you, I am just furnishing some sites where ... | |
| Black Holes, White Holes, Worm Holes | 5/12/2004 |
| Q: my name is Henry Wakley. I am currently a senior in the Miller School in Albemarle County, Virginia. ... A: 1 - To tell you the truth, there isnt much they could do about it. Tales of time travellers jumping ... | |
| black holes, and mass | 5/10/2004 |
| Q: Jayen,it's obvious you are well educated.Thank you. I think I understood the black hole,you're ... A: Mike.. 1 - M = (V*V)*r/G where M= solar mass in Kilograms r = radius of earth's orbit in ... | |
| earth's rotation | 5/9/2004 |
| Q: I've heard that the earth's rotational period was much shorter when it was young. Has anyone ... A: Reg, frankly I dont have the facts. You could get them on the web. However there is something ... | |
| Jupiter | 5/9/2004 |
| Q: I've heard it said that during the first 100 million years of Jupiter's existence, it shone like a ... A: Reg, Frankly I never imagined that! Also I suppose that statement was made because in their ... | |
| black holes, and mass | 5/8/2004 |
| Q: Jayen,it's obvious you are well educated.Thank you. I think I understood the black hole,you're ... A: Oh! No problem, I will dilate on that.. Actually Mike, I am sometimes vary of making my answer look ... | |
| black holes, and mass | 5/7/2004 |
| Q: I have a 2 part question.First,I would like to know why ,if all objects have gravity that decreases ... A: Good questions, both. 1 - The inverse square law hold for all objects with mass and black holes are ... | |
| astronormy | 5/5/2004 |
| Q: what are soalr and lunar eclipses A: All Eclipses occur when sunlight falling on one body in question, (earth or moon) is obstructed by ... | |
| solar nebula | 5/2/2004 |
| Q: Did the rocky dust grains condense out of the solar nebula where the jovian planets are now found? ... A: Actually The rocky dust grains "condense" or "appear" out of exploding supernovas. The solar nebula ... | |
| Space Shuttle | 5/2/2004 |
| Q: (Dont know if im asking this question in the right category, but hopefully you can help me out ... A: The shuttle uses two types of tiles. These are referred to as Low-temperature Reusable Surface ... | |
| Many | 4/29/2004 |
| Q: My teacher wanted our class to e-mail u with some questions that she couldn't answer. 1. List ... A: All I can say is WOW! If your teacher is teaching you all these things (i suspect you are below 10th ... | |
| About studying astronomy | 4/28/2004 |
| Q: I am a 16 year old indian male interested in studying "Astronomical Sciences" at WITWATERSRAND ... A: Recently another Indian asked me a similar question. Nice to personally come across aspiring Indian ... | |
| milky way | 4/26/2004 |
| Q: What's the color of the milky way? A: The milky way as one would presume is not of one single color as it is not a single unitary object ... | |
| spiritual astronomy | 4/24/2004 |
| Q: i would really like to find information concerning astronomy as a whole and its connection to the ... A: Only yesterday night I was browsing through the book by Sagan .."Cosmos"..my copy must be now 10-15 ... | |
| Earth origin | 4/22/2004 |
| Q: Why was earth originally not called a planet? A: That was because before the time of Copernicus and Kepler, people did not look upon the universe, ... | |
| Question | 4/19/2004 |
| Q: What does the color of the prominenses tell us about them? What does there shape tell us? A: I would say that was a good question. (because it has potential to make one go into spectroscopy, ... | |
| Jupiter's moon | 4/17/2004 |
| Q: How does the slight ellipticity of Io's orbit affect its speed along its orbit? Thanks for your ... A: Why shouldnt that be clear by Kepler's second law? It states that "a line connecting a planet to ... | |
| moons | 4/17/2004 |
| Q: How can several of the larger moons of the outer planets retain an atmosphere when they are no ... A: . Temperature..Temperature..it is all about that in Astronomy! You will notice that right from ... | |
| Earth's orbit stability | 4/15/2004 |
| Q: Does earth's orbit around sun a stable one or does it change ?. I have read in physics books that ... A: As I always say..I am weak with figures..I dont remember the solar mass attrition rate, but could ... | |
| solar system | 4/14/2004 |
| Q: my question about the orbits of planets of our solar system,you know very well that all the planets ... A: The reason is very simple. Nature hates particularities and likes variation and generalities. The ... | |
| black holes | 4/13/2004 |
| Q: I've read that as a black hole forms, time appears to slow down as the star collapses. If I ... A: Technically, the actual hole is a singularity ..a point of no dimensions at all! But there IS this ... | |
| clouds | 4/12/2004 |
| Q: How come Saturn's cloud decks are less colorful than Jupiter's? Thank You -ken A: Read somewhere recently that that is because of temperature! saturn's surface is cooler compared to ... | |
| energy | 4/11/2004 |
| Q: Jupiter, Saturn and Neptune all radiate considerably more energy than they receive from the Sun. ... A: Well Until now this quite old debate is going on about the possible reasons why Uranus is so ... | |
| astronomy | 4/10/2004 |
| Q: Are the magnetic axes of all 4 giant planets aligned with their spin axes? and is it true that the ... A: The outer gas giants of the solar syatem fall into two catefories. Those with a shell of liquid ... | |
| Measuring cosmic distances | 4/8/2004 |
| Q: I am looking for an explanation of how distance and time to the furthest away known galaxies can be ... A: Frankly speaking, I wouldnt be able to give you specifics of the photometry involved (it is as ... | |
| allexperts query re astronomy | 4/7/2004 |
| Q: can you tell me if there are stars between galaxies, individual stars floating in those huge ... A: The answer is yes and no! For it is very difficult to decide where the "between" starts in the first ... | |
| solar wind | 4/7/2004 |
| Q: Roughly how much raw material gets blasted out from the sun in the form of charged particles and ... A: The answer is not from me but the world wide web! (sorry about that). This mass attrition or mass ... | |
Astronomy
Answers by Expert:
Jayendra Upadhye
Top Expert on this page
Expertise
1 - General questions on most astronomy topics such as:- Solar system, Cosmology, Black holes, Quasars, Dark matter etc. 2 - General questions about the geologies of planets. 3 - General questions about Orbits and laws governing them. 4 - General questions about rockets / spaceships 5 - General questions about stellar interiors and supernovas.
Experience
I was an askme.com expert rated no#1 for quite some time - and was top ten there by the time it closed - in Astronomy and general science categories.
Education/Credentials
Bachelor of Engg. (Electrical engg), Maharaja Sayajirao university of Baroda, Gujarat, India.
Awards and Honors
None to write about except the askme rating if it is any worth!
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