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An Ultraviolet, Ultraviolent Supernova Shockwave

Monday, March 26, 2012 18:49
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The Cygnus Loop in Ultraviolet. Captured by Galex. Image credit: NASA

The Cygnus Loop in Ultraviolet. Captured by Galex. Image credit: NASA

You’re looking at an insanely beautiful image of the Cygnus Loop nebula captured by NASA’s Galaxy Evolution Explorer (GALEX) mission. Furthermore, this isn’t viewed in plain old visible light, this is high-energy ultraviolet light, revealing regions of hot gas remaining after a supernova detonated here 5,000 to 8,000 years ago.

In fact, the original supernova would have been bright enough to be visible with the unaided eye.
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Read the rest of An Ultraviolet, Ultraviolent Supernova Shockwave (208 words)


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