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Why Martian water stayed liquid

MAY 26, 2009
Physics Today

ScienceNOW : If life exists elsewhere in our solar system, Mars is the likeliest location, say most planetary scientists. There’s just one problem: The Red Planet may never have been warm enough to support the wet biosystems that grace Earth. But that doesn’t mean water didn’t flow there. New findings suggest that martian water contained so much salt that it served as antifreeze.

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