Researchers Find Evidence Of Martian Paraglacial Period
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Erica Jawin is a Postdoctoral Research Geologist at the Smithsonian National Museum of Natural History in Washington, DC.

                       

Researchers Find Evidence Of Martian Paraglacial Period

Most of the surface of Mars is currently too cold, and the atmosphere is too thin, for liquid water to be present on the surface. Even solid water ice is unstable and will sublimate (turn directly from ice into water vapor) if it is exposed on the surface of Mars because of the extremely thin atmosphere. However, within the last few hundred million years – relatively recently on “geologic” time scales – ice was not just stable on the surface:...

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