weristjonsnow
weristjonsnow t1_iwwhmbk wrote
Reply to comment by MidnightPlatinum in Mars was once covered by 300-meter deep oceans, study shows by magenta_placenta
Once a planetary core stops spinning you lose your em field. Em field protects atmosphere from floating away. Mars has a dead core
weristjonsnow t1_iwwhqyi wrote
Reply to comment by WontStopAtSigns in Mars was once covered by 300-meter deep oceans, study shows by magenta_placenta
300m of water is nothing compared to planetary mass. Mars lost it's core spinning