Submitted by magenta_placenta t3_yymoqt in space
pmMeAllofIt t1_iwxp614 wrote
Reply to comment by themonkeymoo in Mars was once covered by 300-meter deep oceans, study shows by magenta_placenta
It's GEL- Global Equivalent Layer. Enough water to cover all of mars with 300m of water evenly. As of right now the estimates on the GEL of Mars' surface ice is 20-40m.
In comparison, the GEL of Earth's water is over 2.5km.
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