Wispy tendrils of hot dust and gas glow in this ultraviolet image of the Cygnus Loop Nebula, taken by NASA’s Galaxy Evolution Explorer.
The nebula lies about 1,500 light-years away, and is a supernova remnant, left over from a massive stellar explosion that occurred 5,000-8,000 years ago.
Picture: NASA/JPL-CALTECH/AFP/Getty
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