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Martians Might Be Real. That Makes Mars Exploration Way More Complicated


Mars rover

Since NASA deployed the Curiosity rover in 2011, researchers have detected spots of possible briny surface water on Mars. Thats tricky, because the rover is covered with dormant Earth germswhich could spring to life in a Martian puddle.

Credit: NASA/JPL-CALTECH/MSSS

History will note that the guy who discovered liquid water on Mars was an undergraduate at the University of Arizona, a 20-year-old who played guitar in a death-metal band and worked in a planetary science lab.

From Wired
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