Search found 1 match
- Mon Sep 17, 2007 3:54 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Space walk - forbidden directions? (APOD 16 Sep 2007)
- Replies: 22
- Views: 7808
Astronaut 'floating' free in space: I think not (16 Sep 07)
Hi All: A trivia question I love to ask is: Why does an astronaut float free in space? The usual answer is, "because there's no gravity up there." I then ask, how come the moon is attracted to the earth, and the earth to the sun, to stay in orbit? Gravity is obviously at play there. I expl...