|  |  | APOD: M81 Feeding a Black Hole apod.nasa.gov — This impressive color composite shows spiral galaxy M81 across the electromagnetic spectrum. It combines X-ray data (blue) from the Chandra Observatory, infrared data (pink) from the Spitzer Space Telescope, and an ultraviolet image (purple) from the GALEX satellite, with a visible light (green) Hubble image.More... (Space) Comments Email Added 2008-06-27 20:20:03 jaybol