This image from NASA's Curiosity rover shows the first sample of powdered rock extracted by the rover's drill. The image was obtained by Curiosity's Mast Camera on Feb. 20, or Sol 193, Curiosity's ... more 
This image from NASA's Curiosity rover shows the first sample of powdered rock extracted by the rover's drill. The image was obtained by Curiosity's Mast Camera on Feb. 20, or Sol 193, Curiosity's 193rd Martian day of operations. less 
1 / 28
SPACE.com | Photo By NASA/JPL-Caltech/MSSS
Tue, Mar 12, 2013 1:48 PM EDT