Supernova remnant - Wikipedia

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File:Supernova Remnant 3C 397.jpg - Wikimedia Commons

Sary:NGC6992 Veil Nebula Supernova Remnant from the Mount Lemmon

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File:NASA-SNR0519690-ChandraXRayObservatory-20150122.jpg - Wikipedia

History of supernova observation - Wikipedia

File:G299-Remnants-SuperNova-Type1a-20150218.jpg - Wikipedia

File:Ghostly Stellar Echoes in Supernova Remnant Cassiopeia A.jpg

IC 443 (Gem A) - Supernova Remnant in Gemini

File:W44 supernova remnant.jpg - Wikiversity

Supernova remnant - CreationWiki, the encyclopedia of creation science

Enigma of the 1987 Supernova Explosion – PhotoEditor61

Supernova Remnant 1E 0102

File:The remains of a star gone supernova.jpg - Wikipedia