Dwarf planet Ceres is a really icy place, NASA's Dawn spacecraft shows
Tuesday, December 20, 2016 - 07:31
in Astronomy & Space
Think of an asteroid, and a dry, rocky body may spring to mind. But Ceres, king of the asteroid belt, is helping to throw cold water on that stereotype. Whether frozen in the permanent shadows of its polar craters or mixed into its icy surface layers, water appears to abound on the dwarf planet....