Curiosity stretches its arm

Monday, August 20, 2012 - 19:30 in Astronomy & Space

NASA's Mars rover Curiosity flexed its robotic arm Aug. 20, 2012 for the first time since before launch in November 2011. The 7-foot-long (2.1-meter-long) arm maneuvers a turret of tools including a camera, a drill, a spectrometer, a scoop and mechanisms for sieving and portioning samples of powdered rock and soil.

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