Submitted by tripperfunster t3_zyslds in askscience
CrustalTrudger t1_j28zuu0 wrote
Reply to comment by team-tree-syndicate in How much does the liquid magma of the Earth affect it's surface temperature? by tripperfunster
You are correct, gravity / escape velocity is the primary control and the replies indicating that the presence or absence of a magnetosphere are the primary control reflect a common misconception (e.g., see this post).
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