Gamma-ray bursts Bursts can last from ten milliseconds to several minutes, although a typical burst lasts 20-40 seconds. A typical burst releases as much energy in a few seconds as the Sun will in its entire 10 billion year lifetime. Most observed GRBs are believed to be a narrow beam of intense radiation released during a supernova event, as a rapidly rotating, high-mass star collapses to form a neutron star or black hole
Home / Questions / What ‘explosive’ celestial phenomena, abbreviated GRBs, are said to be the most luminous electromagnetic events known to occur in the universe?