bright spots on ceres

The new photos from NASA's Dawn spacecraft resolve Ceres' bright spots into numerous points of varying sizes. But researchers still don't know what the spots are.The $473 million Dawn mission launched in September 2007 to study Ceres and Vesta, the two largest objects in the main asteroid belt between Mars and Jupiter. Ceres is about 590 miles (950 km) wide, while Vesta's diameter is 330 miles (530 km).

via space.com