jul 282013
 
Anne's Image of the Day: The Cocoon Nebula

July 28, 2013 The Cocoon Nebula, a stellar nursery in Cygnus Image Credit: ESA/Herschel/SPIRE/PACS/Gould Belt Survey/D. Arzoumanian (CEA Saclay) The Cocoon Nebula (blue in this image, and designated IC 5146 or Sh2-125) is a reflection/emission nebula of about 15 light-years across, located some 4,000 light-years away in the northern constellation of Cygnus (the Swan), while it [continue reading]