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Explain why the moon has no atmosphere?

Moon has no atmosphere because the value of acceleration due to gravity ‘g’ on the surface of moon is small. Therefore, the value of escape velocity on the surface of moon is small. The value of r.m.s. velocity of the molecules of different gases is much above the value of escape velocity on moon. That is why all the molecules of gases escaped and there is no atmosphere on moon.

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Question asked by drupadh_thapa
Answered by chimini_chand

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