The picture shows signs of the abuse that the rover has experienced since landing on Mars in 2012. In the photo, the damage to one of its wheels is visible, which NASA scientists are saying they are watching closely, and red Martian dust clings to its frame, giving it a decidedly workman-like appearance.In the background, a regional dust storm is visible, a reminder of the challenges Curiosity faces as it does its pioneering work on Mars and an uncomfortable reminder of the potential fate of its cousin rover, Opportunity, which has been out of contact with NASA engineers and is feared lost after a planet-wide dust-storm disabled it in June of last year.

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