• Wed. Oct 28th, 2020

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  • Discovery of iron-60 and manganese-53 substantiates supernova 2.5 million years ago — ScienceDaily

Discovery of iron-60 and manganese-53 substantiates supernova 2.5 million years ago — ScienceDaily

When the brightness of the star Betelgeuse dropped dramatically a few months ago, some observers suspected an impending supernova — a stellar explosion that could also cause damage on Earth.…