A Galaxy Unwinds, 140,000 Light Years From Its Core

Baby stars spring to life at the supposedly desolate fringes of the Southern Pinwheel Galaxy, also known as M83, in this new image from NASA's Galaxy Evolution Explorer. Up to 140,000 light years from the galaxy's center, the outer arms of its "pinwheel" shape seem to flap away from the center like "giant red… » 4/22/08 4:00pm 4/22/08 4:00pm