Let's face it: NASA is good at generating cute Mars rovers that collect tons of scientific data. The Opportunity rover has crawled more than a marathon on Mars since landing at Meridiani Planum in 2004, exploring the rim of a huge crater and finding tons of evidence of water to boot. And in 2012, the Curiosity rover touched down in Gale Crater and found an ancient water streambed within weeks of its arrival. Today, Curiosity is making its way up a mountain (Mount Sharp) and trying to learn about the Martian climate by looking at the layers of strata.
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Written by Elizabeth Howell May 2, 2018
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