Images from Dawn reveal the crater , labelled ' feature number 5 ' , at various angles as the asteroid rotates . Spots are visible when they are near edge of Ceres , indicating that they may be high above the surface . another theory is that ice is covered by a thin layer of soil that can explode due to pressure in the asteroid .
Images from Dawn reveal the spots , dubbed 'feature number 5 ' , at various angles as the asteroid rotates . Spots are visible when they are near edge of Ceres , suggesting that they must be high above the surface . Leading theory is that ice is covered by a thin layer of soil that can explode due to pressure in the asteroid .