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Iowa meteorite crater confirmed

(Phys.org) —Recent airborne geophysical surveys near Decorah, Iowa are providing an unprecedented look at a 470- million-year-old meteorite crater concealed beneath bedrock and sediments.

dateMar 05, 2013 in Earth Sciences
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Curiosity maneuver prepares for drilling

(Phys.org)—NASA's Mars rover Curiosity has placed its drill onto a series of four locations on a Martian rock and pressed down on it with the rover's arm, in preparation for using the drill in coming days.

dateJan 29, 2013 in Space Exploration
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