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More evidence of water: Photo shows giant Mars crater was once an ancient lake

January 20, 2013

More evidence of water: Photo shows giant Mars crater was once an ancient lake

More signs that water once flowed on Mars.

It’s been an exciting weekend of discoveries for NASA and its Mars Curiosity rover.

First, there was an update from NASA engineers operating the one-ton rover, who expressed excitement over a set of rocks discovered in a region dubbed “Yellowknife Bay.” The rocks, which are thought to hold evidence that shows Mars was once a much wetter place, were discovered just days before a team of researchers announced findings showing that minerals found underground on Mars are the ‘strongest evidence yet that water once flowed across the Red Planet. Meanwhile, on Friday, researchers working in conjunction with the NASA Mars Reconnaissance Orbiter (MRO) team announced they had identified an ancient river system — now considered one of the most important geological sites on Mars.

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