Physics · Gravitation
Why is there no sustainable atmosphere on the Moon?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Because the escape velocity of gas molecules is less than their root mean square (RMS) velocity.✓
- 2Because its gravitational field is shielded by the Earth.
- 3Because it receives light reflected from the Earth.
- 4Because it revolves around the Sun.
Correct answer
Because the escape velocity of gas molecules is less than their root mean square (RMS) velocity.
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