Previously answered questions by Ryan Anderson
(in order of times viewed)
- Can artificial gravity be created in space?
- How do rockets work?
- Why hasn't NASA gone back to the moon?
- Are aliens or UFOs real?
- How do we know what other planets (and stars, galaxies, etc.) are made of?
- Do asteroids hit the sun?
- How big is the Hubble Ultra Deep Field image?
- If comets are boiling away, why are there any left?
- How do we know the density of some extrasolar planets?
- If the sun went out and our atmosphere froze solid, what color would it be?
- Has anyone ever seen a star "turn on"?
- Why are craters round?
- Does weightlessness affect hunger?
- What would happen if a nuclear-powered shuttle exploded?
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Last modified: November 19, 2007 11:28:35 AM
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