This view of the calibration target for the Mars Hand Lens Imager (MAHLI) aboard NASA's Mars rover Curiosity combines two images taken by that camera during the 34th Martian day, or sol, of ... more 
This view of the calibration target for the Mars Hand Lens Imager (MAHLI) aboard NASA's Mars rover Curiosity combines two images taken by that camera during the 34th Martian day, or sol, of Curiosity's work on Mars. This image was taken Sept. 9 less 
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SPACE.com | Photo By NASA/JPL-Caltech/Malin Space Science Systems
Mon, Sep 10, 2012 3:12 PM EDT