gamma-ray burst

== English == === Noun === gamma-ray burst (plural gamma-ray bursts) (astronomy) A flash of gamma rays that seem to originate from a random point in the sky; their most likely sources are believed to be supernova explosions of a very massive stars and mergers of neutron stars. Synonym: (abbreviation) GRB ==== Coordinate terms ==== fast radio burst (“FRB”) soft gamma repeater (“SGR”) hypernova (“HN”) supernova (“SN”) ==== Translations ====