large scale structure of the cosmos

  • A Vanished Supernova Will Reappear in 16 Years

    A Vanished Supernova Will Reappear in 16 Years

    Ten billion years ago, well before the formation of our solar system, a gargantuan explosion threw out vast amounts of highly energetic light. A star died in a dazzling supernova, and, though it happened so long ago, the flash was only seen in 2016 and vanished shortly thereafter. But if you missed it then, worry…