Astronomers Have Been Seeing the Same Supernova Explode for 40 Years
Thanks to some light-bending optics, scientists have been experiencing a touch of Groundhog Day when they look out at the cosmos. The same supernova has been showing up over and over. Located more than 9 billion light years away, the supernova Refsdal would be too faint to see but for the influence …
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Dinesh Maharaj flipped this story into Space•3331d