NeedlessPedantics t1_iu0w7rq wrote
Reply to comment by mojojojo31 in A recently released set of topography maps provides new evidence for an ancient northern ocean on Mars. The maps offer the strongest case yet that the planet once experienced sea-level rise consistent with an extended warm and wet climate, not the harsh, frozen landscape that exists today. by Wagamaga
Evaporation, freezing, and solar wind.
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