Gamma-ray burst
gamma-ray bursts are the brightest and most energetic electromagnetic events known to occur in the universe. They were first detected in 1967 by the Vela satellites, which had been designed to detect covert nuclear weapons tests. A subclass of GRBs appear to originate from the merger of binary neutron stars. In October 2018, astronomers reported that GRB 150101B and GW170817,...