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. GRB
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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
gamma-ray burst
British
noun
gamma ray burst
Scientific
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.
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In 2022, Swift captured this image of a gamma-ray burst from a massive star dying two billion light-years from Earth.
From BBC ● Jul. 3, 2026
Researchersexamined the exceptionally bright gamma-ray burst GRB 230307A, which was caused by a neutron star merger.
From Science Daily ● Oct. 25, 2023
In 2014, a blind astronomer “sonified” the universe’s most explosive event: a gamma-ray burst.
From Scientific American ● Sep. 27, 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
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
Measurements show that this distant supernova closely matches the brightness and spectral features of SN 1998bw, a well known supernova linked to a gamma ray burst that exploded much closer to Earth.
From Science Daily ● Dec. 28, 2025
"In fact, this was one of the narrowest jets seen for a gamma ray burst so far, which gives us a hint as to why the afterglow appeared as bright as it did".
From BBC ● Apr. 12, 2024
That seems more likely than the one-in-10-billion chance of a gamma ray burst, Steinhardt says.
From Science Magazine ● Oct. 4, 2021
Today, scientists believe that a gamma ray burst is the final breath of a dying star and the birth of a stellar-mass black hole.
From New York Times ● Apr. 10, 2019
“It said, ‘This gamma ray burst has an interesting friend.
From Washington Post ● Oct. 16, 2017
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.
