A large international team of astronomers has spotted an extremely luminous supernova in a massive galaxy 3.82 billion light-years away. An artist’s impression of ASASSN-15lh as it would appear from an exoplanet located 10,000 light years away in the host galaxy. Image credit: Jin Ma / Beijing Planetarium. The newly-discovered stellar explosion, dubbed ASASSN-15lh, belongs to the most luminous class of supernovae called superluminous supernovae. “It...
