The Crescent Nebula, an emission nebula in Cygnus

 
The Crescent Nebula, an emission nebula in Cygnus

The Crescent Nebula (NGC 6888), an emission nebula 5,000 ly away in Cygnus is a giant gaseous shell created by winds blowing from the massive Wolf-Rayet star HD 192163 (WR 136), rushing toward a supernova catastrophe.

Image Credit & Copyright: J-P Metsavainio (http://astroanarchy.zenfolio.com/)

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