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Why was Mercury unable to retain an atmosphere during its formation?
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Why was Mercury unable to retain an atmosphere during its formation?

User Erich Eichinger
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2 Answers

3 votes
because of its mass. its mass is barley 5.5% of earths so it cannot sustain an atmosphere
User Gene M
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6 votes
Mercury has a high surface temperature and a low mass
User Surafel
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