9 Jul 2021

At https://phys.org/news/2021-07-massive-explosion-mystery-star.html ... Not a nova. Not even a supernova - but a hypernova. Ten times more energetic than a supernova. It has been detected in the constellation of Aquila, the eagle. It is assumed that it marks the destruction of a collapsed rapidly spinning star - a phenomenon astronomers describe as a 'magneto-rotational hypernova', These cataclysms were previously unknown - until now.