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Conical mountain on Ceres (limb view) This image, taken by NASA's Dawn spacecraft, shows an intriguing mountain on dwarf planet Ceres protruding from a relatively smooth area. Scientists estimate that this structure rises about 3 miles (5 kilometers) above the surface. Dawn captured this image from an altitude of 2,700 miles (4,400 kilometers). The image, with a resolution of 1,400 feet (410 meters) per pixel, was taken on June 14, 2015. The mountain was later named Ahuna Mons. NASA / JPL-Caltech / UCLA / MPS / DLR / IDA