Posted by tourdemars to Mars Science Laboratory at September 26, 2013 3:23 PMJust when you thought ol' Curiosity was digging in for the winter, the little discovery machine came up with a doozy: It discovered water in Martian soil. NASA scientists just published five papers in Science detailing the experiments that led to the discovery. That's right. There's water on Mars. Impressive as it is, though, the discovery comes with some caveats. It's not like Curiosity stumbled on a lost lake under a mountain or a stream trickling across the landscape. Rather, it found water molecules bound to other minerals in Martian soil. There's kind of a lot of it, too. Researchers say that every cubic foot of Martian soil contains about two pints of liquid water. All things told, about two percent of the Martian soil is made of up water.
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