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Occator's bright spots Dawn captured this view inside Occator Crater on March 26 from an altitude of 240 miles (385 kilometers). We have explained that the bright areas are salts, which reflect much more sunlight than typical materials on Ceres. Occator Crater formed 80 million years ago. Another part of the crater is shown below. Full image and caption. NASA / JPL-Caltech / UCLA / MPS / DLR / IDA