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
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How to use gamma-ray burst in a sentence
A surprisingly short gamma-ray burst has astronomers rethinking what triggers these celestial cataclysms.A super-short gamma-ray burst defies astronomers’ expectations | Maria Temming | August 2, 2021 | 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.Einstein’s theory of general relativity unveiled a dynamic and bizarre cosmos | Elizabeth Quill | February 3, 2021 | Science News
Well, maybe it was a gamma-ray burst, or maybe it was something else, cautioned some others.
British Dictionary definitions for gamma-ray burst
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.