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Spirit Arm Movements for Mosaic of
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Spirit Arm Movements for Mosaic of

August 17, 2005
In this movie clip, NASA's Mars Exploration Rover Spirit moves its robotic arm, called the instrument deployment device, to take a series of images with the rover's microscopic imager during the rover's 469th martian day, or sol (April 28, 2005). The images making up this clip were taken by Spirit's left front hazard identification camera. The arm's carefully planned motions positioned the microscopic imager to take an array of 24 images of this rock target, dubbed "Keystone," at an outcrop called "Methuselah."