The Lates News in Astronomy

Hi my astro Friends, until now, astronomers have assumed that there are two types of cosmic gamma-ray bursts – those that result from neutron star mergers or supernova explosions. However, not all gamma-ray flashes can be explained with this. On December 11, 2021, NASA’s Swift satellite detected an intense shower of gamma rays from space. Such gamma flashes or „gamma ray bursts“ are not uncommon. Satellite observatories register one of these events almost every day. But the flash called „GRB 211211A“ did not fit into the astronomers‘ usual scheme: The duration of this gamma shower pointed to the explosion of