Space/Astronomy

Recent Answers

2009-11-22 Astronomy - night sky 11/21/09:

Hi Jill, Yes, they can and do. They can come in many varieties...no tail, no trail, long trails that instantly fade, or remain visible for many minutes, fast, slow, 1/10 of a second duration or 10 seconds

2009-11-21 Astronomy - meterology:

Hi Cynthia, Isotherms, by definition, are lines of constant temperature on a weather map over a large area. They have nothing to do with wet/dry air, rainfall amounts, cloud cover, etc. Simply (and only)

2009-11-21 Astronomy - expansion of universe:

Hello, Based on your example, it is impossible for the distance ("0.8X") between two objects to remain the same since it would violate Hubble's law, which has been repeatedly validated. Hubble's

2009-11-20 Space Exploration - Terraforming of Mars:

Hi Barry, Yes, that's a very interesting concept for the future... it's been on the drawing boards for at least 30 years. And yes, it would probably be a several century type project. Well, it's

2009-11-19 Astronomy - Crystalline patterns in meteorites:

Hello, Sorry, but I have heard of no such phenomenon. Nor am I aware of any such properties attributed to "crystal meteors". I hasten to add, however, that I don't claim this to be the last word