Evidence of liquid water in mars' distant past suggests that it had a substantial atmosphere compared to what it has presently. What happened to its water vapor?.

Question

asked Jan 1, 2022 16.9k views

1 Answer

Dawez · Answer 1 · 2022-01-05T12:27:46+0000

Answer:

The atmosphere has frozen out into the polar ice caps and permafrost as Mars has cooled.

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