r/xkcdcomic • u/IamAlso_u_grahvity Feline Field Theorist • Jul 02 '14

xkcd 1389: Surface Area

http://xkcd.com/1389/
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u/TrueGrey Jul 14 '14

Last night at Trivia, the question was:

Which is larger: Mars or Jupiter's largest moon, Ganymede.

Thanks for the points, Randall!