What keeps the atmosphere of a planet in place?


by oscar_lai_hk
Tags: atmosphere, planet
oscar_lai_hk
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#1
Nov29-07, 03:28 AM
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What keeps the atmosphere of a planet in place? THZ
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russ_watters
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#2
Nov29-07, 05:31 AM
Mentor
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Gravity.
Integral
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#3
Nov29-07, 05:37 AM
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Note that the temperature of our atmosphere high enough that the average velocity of the lighter gases, Hydrogen and helium, is greater then the earths escape velocity. Thus we do not find them in our atmosphere.


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