Has Curiosity discovered organic compounds on Mars? (pictures)

by CNET News.com  |  November 23, 2012, 4:10am PST  |  Image 3 of 7

SAM, seen here at NASA's Goddard Space Flight Center in Maryland, is equipped to analyze samples of material collected by the rover's arm.

It is also the instrument that NASA is crediting with a potentially big -- but still unrevealed -- discovery.

Image 3 of 7

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