First 'interplanetary' spaceship to visit two asteroids
                                
                                
                                    (Newser) -
                                    This morning NASA launched a spacecraft that's headed to the asteroid belt, where it will get a close-up look at the belt's largest bodies, asteroid Vesta and the dwarf planet Ceres.  It's NASA’s first multi-target mission, and Dawn, which one engineer called “the first real interplanetary spaceship,...