| Subject | Date Asked | Expert |
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| longer days in summer | 11/10/2008 | Doug |
Q: I am 8 and why do we get more day light in summer than winter? We are at a library and I don't have ...
A: It is because our planet is tilted off axis 23.5 degrees. All days are 23.5 hours (which is why ...
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| Magnitude and Death of Stars | 11/1/2008 | Rangutan |
Q: to what extent does the higher magnitude explain the higher number of deaths?
A: [I found this question neglected in a pool and can answer it] Consider the evolution of stars: ...
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| Venus | 10/29/2008 | Paul Braxton |
Q: Could there once be life on Venus?
A: ..and thanks for using AllExperts It's not very likely that life ever existed on Venus. Venus formed ...
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| big bang | 10/29/2008 | Patrick J. O'Neill |
Q: i'm paul. why is it assumed that all the matter in the universe was once "packed" into an ...
A: I'm not 100% if my thinking is correct, I have researched a bit on your question and have not found ...
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| astronaut | 10/4/2008 | Tom Whiting |
Q: if one wants to become an astronaut is it necessary that he should be a pilot first?if not what are ...
A: Only if you want to pilot (fly) or command the craft in question. But for the Mission Specialist or ...
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| Earth Formation | 9/26/2008 | Tom Whiting |
Q: My 4 year old son asked me, "How did the earth appear before there were dinosaurs?" I am at a loss ...
A: Yes. Explain to him that all matter (dirt, sand, water, air, rocks, etc.) have to be here first ...
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| Why does Britain have day and night? | 9/21/2008 | Rangutan |
Q: why does britain have day and night
A: ... the cutest question I ever got, thanks! If a lamp was the sun and a ball the Earth, turning the ...
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| pluto | 9/10/2008 | Tom Whiting |
Q: its me again struggling with 11yr olds homework:Why is Pluto no longer considered a planet? As basic ...
A: Pluto (and Eris which is actually still bigger, way out there) is no longer considered a planet ...
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| Earth's other orbit | 8/28/2008 | Paul Braxton |
Q: My question is regarding our own planet Earth, would it have been possible to have been in different ...
A: .. Wow! Lot of questions, but that's all right. Glad to try and relieve your mind about the 2012 ...
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| earth's orbit | 8/25/2008 | Paul Braxton |
Q: "hi sir, few questions 1) why the earth's orbit is like an ellipse why it's not a circle? 2) if the ...
A: ..and thanks for using AllExperts "...1) why the earth's orbit is like an ellipse why it's not a ...
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| Earth's other orbit | 8/22/2008 | Paul Braxton |
Q: My question is regarding our own planet Earth, would it have been possible to have been in different ...
A: .! Any object large enough to knock Earth out of its orbit would more than likely fracture our ...
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| Earth's other orbit | 8/21/2008 | Paul Braxton |
Q: My question is regarding our own planet Earth, would it have been possible to have been in different ...
A: ..and thanks for using AllExperts. First remember that the current position of Earth is due mainly ...
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| universe,galaxy,solar system,planets | 7/26/2008 | Kenneth Renshaw |
Q: Renshaw i am doing a project for school need a few questions answered. 1. what is the universe? ...
A: 1. the universe is everything that is in existance. It was believed to have formed 13.7 billion ...
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| Light | 7/23/2008 | Tom Whiting |
Q: What is inside a beam of light?
A: Most light is not in a beam form, but goes out spherically from its source. There are 2 basic ways ...
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| Space | 7/21/2008 | Tom Whiting |
Q: If there is so much stars out there and they all give off light, why is space still so dark?
A: This is a simple re-statement of what is called "Olber's Paradox" which you can google, or go to ...
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| Aliens | 7/17/2008 | Doug |
Q: Is there really aliens out there in space? Why won't NASA tell us the truth if there is or not?
A: I don't know if there are aliens anywhere else in the universe but there are lots of aliens here in ...
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| Aliens | 6/23/2008 | Paul Braxton |
Q: Is it true that if the aliens landed scientists would try to capture the aliens and study them and ...
A: ..and thanks for using AllExperts Hopefully none of the things you describe would ever happen. In ...
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| Closet point to the sun | 6/14/2008 | Patrick J. O'Neill |
Q: What spot on earth is closet to the sun?
A: as you might know, the Earth is constantly rotating and orbiting the Sun, so the closest point on ...
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| Saturn | 6/8/2008 | Paul Braxton |
Q: I was wondering...what's Saturn's surface made of? Is is possible that people could live there? I ...
A: ..and thanks for using AllExperts No, people couldn't life on Saturn's surface because there ...
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| Astronomy Dictionary | 6/7/2008 | Tom Whiting |
Q: Is there any astronomy or space word that begins with y?
A: All the heavy elements come from supernova explosions of stars. One of these is the element yttrium, ...
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| Space Cookies | 6/2/2008 | Patrick J. O'Neill |
Q: Cookies are flat on earth due to the heat liquifying the ingredients and gravity pulling down on ...
A: I assume you want to know what shape a cookie would take if there was no gravity, or pressure from ...
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| Astronomy | 5/14/2008 | Tom Whiting |
Q: Why would the discovery of ice at the Moon's poles be important to future space flights?
A: A human body requires 4 things to continue to live; Continuous air pressure on their body, oxygen, ...
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| Space | 4/28/2008 | Paul Braxton |
Q: Of all the thousands of galaxies in the universe, is Earth the only planet with life forms, other ...
A: ..and thanks for using AllExperts So far, Earth is the *only* place in the universe where we're sure ...
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| Black Holes Discovery | 4/28/2008 | Paul Braxton |
Q: How were Black Holes discovered? I know that no single person did, and Einstein's theory ...
A: ..and thanks for using AllExperts You're right about Einstein's theoretical work showing us that ...
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| How Long? | 4/27/2008 | Kenneth Renshaw |
Q: how long would it take to reach each of the planets if your space bus travels at 200 000 KILOMETERS ...
A: Samara, thanks for writing. The answer to your question depends on a few things. Are you averaging ...
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| How Long? | 4/27/2008 | Tom Whiting |
Q: how long would it take to reach each of the planets if your space bus travels at 200 000 kilometers ...
A: The time (hours) would be the same....I simply converted speed and distance in kilometers, to miles ...
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| How Long? | 4/26/2008 | Tom Whiting |
Q: how long would it take to reach each of the planets if your space bus travels at 200 000 kilometers ...
A: I have to convert 200,000 Km per hour to miles per hour as I have all the distances memorized in ...
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| Solar System in 1 Billion Years | 4/20/2008 | Rangutan |
Q: How would the solar system look like in a billion years 5.5 billion years? Please describe ...
A: We do not know for sure because our Solar System is the only we can study properly and we can only ...
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| solar eclipse | 4/5/2008 | Paul Braxton |
Q: I am a teacher in New Zealsnd. I have student who is interested in solar eclipses. She told me that ...
A: ..and thanks for using AllExperts Solar eclipses can not kill people, at least not directly. ...
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| saturn | 3/25/2008 | Tom Whiting |
Q: describe the major surface characteristics of saturn thanks
A: As you probably know, or should know, Saturn is one of the 4 GAS giant planets of the Solar System. ...
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| astronomy | 3/17/2008 | Kenneth Renshaw |
Q: will the planets in our solar system ever line up directly? I am curious after witnessing the solar ...
A: Evan, thanks for writing. They will never line up exactly, since we are talking about 8 objects, ...
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| Revolution and Rotation | 2/27/2008 | Kenneth Renshaw |
Q: We cannot perceive the revolution of earth around the sun nor the rotation around its axis. Is it ...
A: The only way we can perceive the rotation from the surface is the stars/planets/moon/sun appearing ...
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| 2 objects in space | 1/31/2008 | Tom Whiting |
Q: There are 2 objects in space. Their weight and mass are the same and they travel at the same speed. ...
A: Well, there are two types of collisions; elastic and inelastic. Depends on the composition and ...
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| 2 objects in space | 1/30/2008 | Tom Whiting |
Q: There are 2 objects in space. Their weight and mass are the same and they travel at the same speed. ...
A: Nothing....the two objects would continue onward (at whatever speed you gave them) forever.... ...
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| space | 1/29/2008 | Tom Whiting |
Q: where is space? what is the most interesting thing in space?
A: Space is.....everywhere. The Earth travels through space as we orbit the sun. And to us humans, I ...
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| space | 1/28/2008 | Tom Whiting |
Q: can any one go o space?Do we need spesial tranning? Who was the first space traveller
A: Yes, anyone who passes the medical physical can go into space as a passenger, but in these early ...
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| universe | 1/20/2008 | Paul Braxton |
Q: I SAW a streak of light in the night in the sky,what is it? can you explain it.
A: .. If that streak of light was moving very fast then it was probably a meteor. A meteor is a very ...
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| Space | 1/18/2008 | Tom Whiting |
Q: during the winter solstice the"______" hemisphere is tilted away from the sun.
A: again, BAD QUESTION....answer as it stands is ...the hemisphere that is farthest from the sun. EACH ...
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| sun and shadows | 1/11/2008 | Tom Whiting |
Q: What causes shadows to change size and direction during the day?
A: Our shadow, caused by sunlight, changes directions because the Earth rotates (spins) on it's axis. ...
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| Gas | 1/2/2008 | Paul Braxton |
Q: I was in my science class and we were talking about the Gas Giants. Unfortunately, my teacher was ...
A: .. Happy New Year..! "...can gas planets be formed close to a star?..." Yes they can. Most of the ...
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