-
gamma-ray burst
gamma-ray burstnouna 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
gamma ray burstIntense 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.
gamma-ray burst
Americannoun
noun
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.
In this case, had the observations been performed even just a day later, there would not have been such strong proof that this was indeed a magnetar and not a gamma-ray burst.
From Science Daily • Apr. 24, 2024
First detected by Fermi in March, it is the second brightest GRB observed in over 50 years of observations, about 1,000 times brighter than a typical gamma-ray burst that Fermi observes.
From Science Daily • Oct. 25, 2023
Last year, astronomers detected the brightest explosion on record, a gamma-ray burst known as GRB 221009A, which lasted just over ten hours.
From BBC • May 12, 2023
"So, there's a reasonable chance this is the brightest gamma-ray burst to hit Earth since human civilization began."
From Scientific American • Mar. 29, 2023
The gamma-ray burst would have stripped away the Earth’s ozone layer causing intense ultraviolet radiation from the sun and may account for climate changes observed at the time.
From Textbooks • Jan. 1, 2015
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.