L lilgurl0824 Guest Mar 1, 2009 #1 Gases will expand to fill a vacuum. Why do the Earth's atmosphere gases not escape into the near-vacuum of space?
Gases will expand to fill a vacuum. Why do the Earth's atmosphere gases not escape into the near-vacuum of space?
E eelfins Guest Mar 1, 2009 #3 Air molocules would need a lot of velocity to excape the earth's gravity, just like anything else. The solar wind, however, is strong enough that very light molocules like hydrogen can be carried off by them.
Air molocules would need a lot of velocity to excape the earth's gravity, just like anything else. The solar wind, however, is strong enough that very light molocules like hydrogen can be carried off by them.