The secrets of Ceres

NASA's space probe Dawn has been orbiting the dwarf planet Ceres, which sits between Jupiter and Mars, for the past eighteen months. The probe is sending back data on this small body, which we previously knew almost nothing about. Last week, a whole constellation of papers detailing Dawn's discoveries were published in the journal Science. Laura Brooks asked David Rothery, Professor of Planetary Geosciences at the Open University, to take her through the results...