NASA's Great Observatories May Unravel 400-Year Old Supernova Mystery
*Description*:> The composite view of the supernova splits into its three components: blue-green for Chandra, yellow for Hubble, and red for Spitzer. Each observatory's full image is then shown for side-by-side comparison, beginning with Chandra, then Hubble, and finally Spitzer. Technical facts ...