gamma-ray burst
noun
a short-lived, extremely luminous burst of gamma radiation from an unknown astronomical source, occurring at random positions in the sky several times a day. Abbreviation: GRB
Words nearby gamma-ray burst
gamma rays,
gamma stock,
gamma-aminobutyric acid,
gamma-benzene hexachloride,
gamma-ray astronomy,
gamma-ray burst,
gammadion,
gammagram,
gammat,
gammer,
gammon
British Dictionary definitions for gamma ray burst
gamma-ray burst
noun
astronomy
an intense but short-lived burst of gamma rays from an unknown celestial source. First detected in 1970, they have since been found to be widely distributed in the sky
Scientific definitions for gamma ray burst
gamma ray burst
Intense high-energy electromagnetic radiation, lasting between a fraction of a second and several minutes, emanating from distant regions of the universe. Recent theory suggests that they result from supernova explosions.