SqueakyKnees t1_iwwqfha wrote on November 18, 2022 at 10:49 PM Reply to comment by WontStopAtSigns in Mars was once covered by 300-meter deep oceans, study shows by magenta_placenta Just Mars's mantel is 1,560,000 meters deep. The mantel material is also more dense than water. Problem is is size is relative. 300m of water is a crazy amount to us humans, but to a planet's mass, it's not that much. Permalink Parent 20
SqueakyKnees t1_iwwqfha wrote
Reply to comment by WontStopAtSigns in Mars was once covered by 300-meter deep oceans, study shows by magenta_placenta
Just Mars's mantel is 1,560,000 meters deep. The mantel material is also more dense than water. Problem is is size is relative. 300m of water is a crazy amount to us humans, but to a planet's mass, it's not that much.