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The Cygnus Loop

The Cygnus Loop


Depicts: Cygnus Loop
Copyright: Jeff Hester (Arizona State University) and NASA

This image shows a small portion of a nebula called the "Cygnus Loop." Covering a region on the sky six times the diameter of the full Moon, the Cygnus Loop is actually the expanding blastwave from a stellar cataclysm - a supernova explosion - which occurred about 15,000 years ago.
Last Update: 1 September 2019
17-Oct-2021 10:27 UT

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