Ceres
Posted in Astronomy at 18:00 on 13 December 2015
Ceres, the largest of the Solar System’s asteroids, has around 150 mysteriously bright spots which are now thought to be composed of a form of hydrated magnesium sulphate.
From Astronomy Picture of the Day 11/12/15 this is the brightest of them:-

Tags: asteroids, Astronomy, Astronomy Picture of the Day, Ceres, magnesium sulophate hexahydrate
