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 not: We’ll be able to see the blast again.
Read more: https://gizmodo.com/a-vanished-supernova-will-reappear-in-16-years-1847667247?source=Snapzu