the latest on Ceres' bright spots;
http://www.skyandtelescope.com/astro...iny-eruptions/
"Occator was gouged into the landscape about 34 million years ago, but the whitish dome at its center is much younger — just 4 million years old. That's the conclusion of a new analysis published in this month's Astronomical Journal by Andreas Nathues (Max Planck Institute for Solar System Research) and nine colleagues."