A cluster of mysterious bright spots on dwarf planet Ceres can be seen in this image. A variety of craters and other geological features can be found on dwarf planet Ceres. NASA’s Dawn spacecraft took this image of Ceres from an altitude of 2,700 miles (4,400 kilometers) on June 5, 2015. The mystery surrounding the dwarf planet Ceres continues to thicken: New images taken by the Dawn probe have...