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CBSE Class 11-science Answered

why there is no atmosphere on moon? is there something related to escape velocity.
Asked by ADITYA KUMAR SINGH | 02 Mar, 2013, 04:58: PM
Expert Answer
If we calculate the escape velocity on moon's surface it comes as a small quantity which is much less(2.3 km/sec)  than the average (thermal )molecular speed of gases on moon  therefore, there is no atmosphere on the moon.
Answered by | 04 Mar, 2013, 05:41: PM
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