apr 232013
 
Anne's Picture of the Day: The Blue Horsehead Nebula

April 23, 2013 The Blue Horsehead, a reflection nebula in Scorpius Image Credit & Copyright: Robert Gendler (http://www.robgendlerastropics.com, processing); Jim Misti and Steve Mazlin (acquisition) The Blue Horsehead Nebula (IC 4592) is a faint reflection nebula of about 40 light-years across, located some 420 light-years away from Earth in the southern constellation of Scorpius, near [continue reading]