Previously answered questions by Cathy Jordan
(in order of times viewed)
- Why do the planets orbit the sun?
- What do astronauts eat in space? Can they grow food?
- What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle?
- Will the magnetic field of the Earth reverse its direction in the future? Will this cause problems?
- Does the Sun orbit the Earth as well as the Earth orbiting the Sun?
- What is the difference between a "star" and a "sun"?
- What makes the wind?
- Why do the size and brightness of the full moon change?
- How much longer will the Earth last?
- Can terrestrial planets have rings?
- What is the pattern to the distances between each planet and the sun?
- Is Andromeda part of the Milky Way? Where can I find them in the sky?
- Can we colonize other planets?
- What is happening just around the black hole in the center of the Milky Way?
- What are the atmospheres of Mars and Pluto like?
- How do scientists slow light down?
- Is it worthwhile to continue the search for extraterrestrial life?
- When did people discover that the Sun is a star?
- Why are there active volcanos on Io?
- Are there any new craters on the moon?
- Will astronauts ever be able to go ice-skating on Europa?
- What kinds of cancer research have been done in space?
This page has been accessed times since .
Last modified: November 19, 2007 11:28:35 AM
Ask an Astronomer is hosted by the Astronomy Department at Cornell University and is produced with PHP and MySQL.
Warning: Your browser is misbehaving! This page might look ugly. (Details)