Poem From 1181 CE Cairo Appears To Reference A Rare Galactic SupernovaA study looking at ancient texts may have found evidence of a galactic supernova in a poem praising Saladin, the first sultan of Egypt and Syria, written between December 1181 and May 1182 CE.The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.In October 1604, astronomer and...
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