Scientists “thrilled” by up-to-the-minute images of asteroid
Asteroids are scraps from thesolar systems birth a few 4.5 billion years past and studying thesebodies may possibly offer clues in this area how uncertain planets like Earth formed.preceding spacecraft cover visited slighter asteroids ahead of, butthis is the main spree to Vesta.Powered by ion propulsion, Dawn began orbiting Vesta appearing in Julyafter a 1.7 billion mile 2.74 billion kilometer cruise.