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Mars Rover Finds Key Evidence for Lake at Landing Site

Billions of years ago, a lake once filled the 96-mile- (154-km) wide crater being explored by NASA's Mars rover Curiosity, bolstering evidence that the planet most like Earth in the solar system was suitable for microbial life, scientists said on Monday. The new findings combine more than two years of data collected by the rover since its sky-crane landing inside Gale Crater in August 2012. Scientists discovered stacks of rocks containing water-deposited sediments inclined toward...

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