Talk:681: Gravity Wells

Explain xkcd: It's 'cause you're dumb.
Revision as of 07:21, 12 April 2013 by 87.174.225.131 (talk) (Discrepancy)
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Why is Earth's well's depth listed as 5478km but as 6379km in the inset? Compare with Mars which has 1286 in both places. 87.174.225.131 07:21, 12 April 2013 (UTC)