... Credit Copyright: NASA , JPL-Caltech , UCLA , MPS/DLR/IDA Explanation: Now at Ceres, Dawn's camera recorded this closer view of the dwarf planet's northern hemisphere and one of its mysterious bright spots on May 4. ... Imaged by Hubble in 2004 and then by Dawn as it approached Ceres in 2015, the bright spot itself is revealed to be made up of smaller spots of reflective material that could be exposed ice glinting in the sunlight. ... Dwarf Planet Ceres . The Brightest Spot on Ceres . ...