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Rover Mission to Mars
Dual image from ChemCam
03/22/13

 

This dual image of a martian rock taken by the ChemCam instrument aboard the Curiosity rover shows a rock at the "Rocknest" area on Mars before it was interrogated with ChemCam's high-powered laser (left) and after interrogation by 600 laser blasts (right). The crosshairs in the darkened portion of the image at right shows where the laser beam penetrated to a depth of at least 1 mm as a result of the repeated shots. The ChemCam laser vaporizes a small amount of material that can be read by a spectrometer to determine the target's composition. Los Alamos National Laboratory postdoctoral researcher Nina Lanza is studying whether martian rocks are coated with dust or some other substance, and she presented her research at the 44th Lunar and Planetary Science Conference at The Woodlands, Texas. Credit: Los Alamos National Laboratory



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