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Photos: Mars rover Curiosity

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NASA's Mars rover Curiosity drilled into the rock target, called "Cumberland," on May 19, and collected a powdered sample of material from the rock's interior. The sample will be compared to an earlier drilling at the "John Klein" site, which has a similar appearance and is about nine feet away. The rover began beaming back pictures and data from Mars' surface after arriving on the planet in August 2012.

NASA's Mars rover Curiosity drilled into the rock target, called "Cumberland," on May 19, and collected a powdered sample of material from the rock's interior. The sample will be compared to an earlier drilling at the "John Klein" site, which has a similar appearance and is about nine feet away. The rover began beaming back pictures and data from Mars' surface after arriving on the planet in August 2012.