A sample of Mars dirt is shown in the scoop instrument of NASA's Curiosity Mars rover. The rover began using its scoop in October 2012, and this photo was taken by Curiosity's right Mast Camera ... more 
A sample of Mars dirt is shown in the scoop instrument of NASA's Curiosity Mars rover. The rover began using its scoop in October 2012, and this photo was taken by Curiosity's right Mast Camera (Mastcam-100) on Oct. 10, 2012, the 64th sol, or M less 
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SPACE.com | Photo By NASA/JPL-Caltech/MSSS
Thu, Oct 11, 2012 5:08 PM EDT