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  • Astronomers find signatures of a 'messy' star that made its companion go supernova

    Jeudi, 10 janvier 2019 16:09:35 De: Sciencedaily Dernière modification: Mercredi, 23 janvier, 2019 - 20:43

    Astronomers announced that they have identified the type of companion star that made its partner in a binary system, a carbon-oxygen white dwarf star, explode. Through repeated observations of SN 2015cp, a supernova 545 million light years away, the team detected hydrogen-rich debris that the companion star had shed prior to the explosion.