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NASA Mars Rover Curiosity Reaches Base of Target Mountain

NASA's Mars rover Curiosity has arrived at the base of a mountain of layered rock that scientists suspect holds clues about whether the planet most like Earth in the solar system had the ingredients to support and preserve signs of microbial life. The one-ton rover touched down inside an ancient impact basin in August 2012. It quickly discovered a region inside the Gale Crater landing site that was chemically and geologically suited for the same kind of rock-eating microbes commonly...

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