The left Mast Camera (Mastcam) on NASA's Mars rover Curiosity took this image of Curiosity's sample-processing and delivery tool just after the tool delivered a portion of powdered rock into the ... more 
The left Mast Camera (Mastcam) on NASA's Mars rover Curiosity took this image of Curiosity's sample-processing and delivery tool just after the tool delivered a portion of powdered rock into the rover's Sample Analysis at Mars (SAM) instrument. less 
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SPACE.com | Photo By NASA/JPL-Caltech/MSSS
Tue, Feb 26, 2013 10:36 AM EST