Dawn - Mission to the Asteroids Vesta und Ceres
The objective of NASA’s Dawn mission is to investigate two asteroids, Vesta and Ceres, with unprecedented thoroughness. The two are the most massive objects in the asteroid belt and are two of the last major unexplored bodies in the inner Solar System. Having a diameter of almost one thousand kilometres, Ceres is the largest known asteroid.
dawn-mission-to-the-asteroids-vesta-und-ceres_601.pdf (PDF / 1MB)