Most of them have a diameter of between 20 to 100 kilometres, a few up to 500 kilometres, but none are larger than Ceres: with its 1000- kilometre diameter, it makes up more than a third of the total ...
Varied impact craters, valleys, canyons and mountains among the highest in the Solar System - the 3D images and videos of the asteroid Vesta created by scientists at the German Aerospace Center ...