Scientists Confirm Type II Supernova in Cartwheel Galaxy
Scientists have confirmed the discovery of a Type II supernova in the Cartwheel Galaxy, located about 500 million light-years away from Earth. The supernova, dubbed SN 2021afdx, was first spotted in December 2021 by the European Southern Observatory’s New Technology Telescope. Type II supernovae occur when massive stars (at least eight times the mass of