Stellar explosion in Earth's proximity, eons ago

ScienceDaily
Sep 30, 2020, 2:44 pm161 pts
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. While Betelgeuse has returned to normal, physicists have found evidence of a supernova that exploded near the Earth…

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