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Supernova's Companion Star Found - Universe Today
Image credit: ESA When the second brightest supernova seen in modern times, SN 1993J, blew up several years ago, it did leave a survivor. Using the Hubble Space Telescope, and several ground-based observatories, an international team of astronomers discovered a massive companion star that must have been orbiting the supernova at the time it exploded. … Continue reading "Supernova’s Companion Star Found"