FILE - This image provided by NASA shows a color self-portrait of the Mars rover Curiosity. The rover used the Mars Hand Lens Imager (MAHLI) to capture
FILE - This image provided by NASA shows a color self-portrait of the Mars rover Curiosity. The rover used the Mars Hand Lens Imager (MAHLI) to capture dozens of high-resolution images to be combined into self-portrait images of the rover. (AP Photo/NASA/JPL-Caltech/MSSS, File) (Anonymous/AP)