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Last updated on June 2, 2012 at 19:02 EDT
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Wheels in Sky

July 14, 2009

Mobility engineers were tasked with making the Mars Rover’s wheels lightweight, so as not to add any more weight to an already hefty spacecraft; compact, so that when the rover is stowed in the lander they would fit; and capable, so the twin geologists can maneuver off of the lander safely and climb rocks up to ten inches high. Credit: NASA