gamma-ray burst

noun

1. 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. : GRB

gamma-ray burst

noun

1. 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

gamma ray burst

1. 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.

Example Sentences

A surprisingly short gamma-ray burst has astronomers rethinking what triggers these celestial cataclysms.

From Science News

Smashups so far have revealed the previously unknown birthplaces of some heavy elements and pointed to a bright jet of charged subatomic particles that could offer clues to mysterious flashes of high-energy light known as gamma-ray bursts.

From Science News

Well, maybe it was a gamma-ray burst, or maybe it was something else, cautioned some others.

From The Daily Beast