Expanding clouds of gas and debris left behind when a massive star explodes as a supernova, sometimes with a pulsar at the centre. An object belongs here when its cited article calls it a supernova remnant. It excludes planetary nebulae, which are shed by smaller stars without an explosion. Members are placed here from their own cited Wikipedia articles, each with a verbatim supporting quotation, so a reader can check why an entry sits in this group. The grouping forms part of the browse path for this section of the atlas.
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Supernova Remnants
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Crab Nebula (Wikipedia)
Has Member: Crab Nebula, Lead sentenceQuote, Has Member: Crab Nebula, Lead sentence
The Crab Nebula is also known as Messier 1(M1) or NGC 1952 The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus.
Veil Nebula (Wikipedia)
Has Member: Veil Nebula, Lead sentenceQuote, Has Member: Veil Nebula, Lead sentence
It constitutes the brightest parts of the visible portion of the Cygnus Loop, a supernova remnant, many portions of which have acquired their own individual names and catalogue identifiers.
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