Submitted by magenta_placenta t3_yymoqt in space
Mt_Arreat t1_iwwfhu7 wrote
Reply to comment by RhymesWith_DoorHinge in Mars was once covered by 300-meter deep oceans, study shows by magenta_placenta
Earth’s oceans are a lot deeper than 1,200m on average. Globally the average is nearly 3,700m. It’s 8% as deep.
[deleted] t1_iwwy7ez wrote
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