https://arstechnica.com/science/2023/03/feast-your-eyes-on-this-image-of-remnant-from-earliest-recorded-supernova/
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3/3/23 at 10:57pm
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Ars Technica
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Jennifer Ouellette
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Dark Energy Camera captures rare view of RCW 86, remnant of supernova recorded in 185 CE.
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