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How Long Were the Wet Periods on Early Mars, and Was That Water Suitable For Life?

10 Dec 2019, 16:56 UTC
How Long Were the Wet Periods on Early Mars, and Was That Water Suitable For Life? Kevin Gill / flickr

There is no doubt that early Mars had long period of warmer and much wetter climates before its atmosphere thinned too much to retain that liquid H20 on the surface.

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