Title:[1121] Veil nebula in Cygnus Caption:Veil Nebula, NGC 6979, in the constellation Cygnus. The large loop of gas was ejected about 30-40,000 years ago from a supernova, a star's final death throes. This Kitt Peak National Observatory 4-meter Mayall telescope photograph shows the north central portion of the nebula. It is also known as the Cygnus Loop. Copyright: Credit:National Optical Astronomy Observatories