Scientists still don’t know what the bright spots in Ceres are

First topographical maps of Ceres unveiled by NASA, showing  the alien lights of Occator crater and scientists still don’t know what the bright spots are.

A color-coded topographic map of Occator crater on Ceres and its trademark bright spots. The crater, which is home to the brightest spots on Ceres, is approximately 56 miles (90 kilometers wide).   NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

Rim of Occator crater is almost vertical in some places, where it rises steeply for 1 mile.

A topographic view of Ceres’ strange conical mountain. NASA/JPL-Caltech/UCLA/MPS/DLR/IDA/PSI

Occator crater on Ceres and its trademark bright spots.  Credit NASA