okt 092013
Anne's Image of the Day: The Horsehead Nebula & NGC 2023

October 9, 2013 The Horsehead Nebula & NGC 2023 in Orion Image Credit: ESO/J. Emerson/VISTA. Acknowledgment: Cambridge Astronomical Survey Unit Credit for Hubble Data: HLA, Hubble Heritage Team (STScI/AURA) Composite Assembly and Processing: Robert Gendler The Horsehead Nebula (Barnard 33), a diffuse dark nebula and, to its lower left, the 4 light-years wide bright blue [continue reading]