Traveling from one alien world to another, Dawn is reliably powering its way through the main asteroid belt with its ion propulsion system. Vesta falls farther and farther behind as the spacecraft gently and patiently reshapes its orbit around the sun, aiming for a 2015 rendezvous with dwarf planet Ceres.
As Dawn continues thrusting toward Ceres, Marc takes a look back at the intrepid spacecraft's discoveries.
Posted by Marc Rayman on 2013/01/02 04:38 CST
As Dawn treks onward to Ceres, its path will cross within a few degrees of the moon as seen from Earth on Jan. 21-22.