Submitted by magenta_placenta t3_yymoqt in space
StrangeTangerine1525 t1_iwzwf93 wrote
Reply to comment by Exploding_Antelope in Mars was once covered by 300-meter deep oceans, study shows by magenta_placenta
Not a third the size, it has 10% the mass, Mars is ten times smaller than Earth, with about a third of the surface area.
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