AdvertisementCuriouser And Curiouser: NASA's Curiosity Rover Finds Piles Of Silica On MarsDecember 18, 2015Bill ChappellfacebookEmailAfter it drilled two holes in the "Buckskin" rock on Mars, the Curiosity rover took a series of photos that were turned into this panoramic self-portrait. The rover is sitting on the crest of a 20-foot hill. (NASA/JPL-Caltech/MSSS)
