TIL the last time a supernova was unquestionably

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TIL the last time a supernova was unquestionably visible with the naked eye was in 1604. Known as "Kepler's Supernova", it was so bright it was seen during the day for a period of three weeks. Records of its sighting exist in European, Chinese, Korean, and Arabic sources.
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https://en.wikipedia.org/wiki/Kepler's_Supernova

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TIL the last time a supernova was unquestionably visible…

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