planet in the asteroid belt.
NASA's Dawn spacecraft has been in orbit around Ceres for more than a year mapping its surface in great detail. One of the biggest surprises has been the discovery of very bright spots, which reflect far more light than their much darker surroundings.
The most prominent of these spots lie inside the crater Occator and suggest that Ceres may be a much more active world than most of its asteroid neighbors.
For more information, click to Daily Galaxy article