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Waspie_Dwarf

Early Mars was covered in ice sheets

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Waspie_Dwarf

Early Mars was covered in ice sheets, not flowing rivers

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A large number of the valley networks scarring Mars’s surface were carved by water melting beneath glacial ice, not by free-flowing rivers as previously thought, according to new UBC research published today in Nature Geoscience. The findings effectively throw cold water on the dominant “warm and wet ancient Mars” hypothesis, which postulates that rivers, rainfall and oceans once existed on the red planet.

To reach this conclusion, lead author Anna Grau Galofre, former PhD student in the department of earth, ocean and atmospheric sciences, developed and used new techniques to examine thousands of Martian valleys. She and her co-authors also compared the Martian valleys to the subglacial channels in the Canadian Arctic Archipelago and uncovered striking similarities.

arrow3.gif  Read More: University of British Columbia

 

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docyabut2

I know we are trying to find water on the mars ,so we don't have to carry water there to survive )

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