The nebula is situated 2,100 [[light year]]s away from [[Earth]], though some sources suggest it is closer at 1,470&nbps;ly.<ref>{{cite web|url=https://phys.org/news/2018-11-cygnus-loop.html|title=The Cygnus Loop|accessdate=2019-12-23|publisher=phys.org|date=2018-11-27}}</ref><ref>
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The nebula is situated 2,100 [[light year]]s away from [[Earth]], though some sources suggest it is closer at 1,470 ly.<ref>{{cite web|url=https://phys.org/news/2018-11-cygnus-loop.html|title=The Cygnus Loop|accessdate=2019-12-23|publisher=phys.org|date=2018-11-27}}</ref><ref>