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gamma-ray burst

American  

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 British  

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

"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

gamma ray burst Scientific  
  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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"As these jets go out, they release their energy in the form of prompt gamma-ray burst emission," he added.

From Scientific American

"So, there's a reasonable chance this is the brightest gamma-ray burst to hit Earth since human civilization began."

From Scientific American

Many scientists eventually conceded that the gamma-ray burst was likely a fluke—an emission from some separate background object that was completely unrelated to the black hole merger.

From Scientific American

Unlike the gamma-ray burst in 2015, the new flare allowed the researchers to make predictions that will soon be put to the test.

From Scientific American

The first detections started about one minute after the burst triggered NASA’s two spaceborne GRB detectors: the Burst Alert Telescope on board the Swift satellite and the Gamma-ray Burst Monitor on board the Fermi satellite.

From Nature