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gamma ray

noun

: a photon emitted spontaneously by a radioactive substance
also : a photon of higher energy than that of an X-ray

Example Sentences

Recent Examples on the Web But after enough time, the pressures build back up, and the only relief is a new arrangement of the crust, triggering another round of gamma ray emission. Paul Sutter, Ars Technica, 17 June 2022 It’s like the gamma ray emerging from a box of red light. Katie Mccormick, Quanta Magazine, 16 May 2022 Aharonov has described the scenario in question as akin to opening a box full of red light — low-energy electromagnetic waves — and seeing a high-energy gamma ray shoot out. Katie Mccormick, Quanta Magazine, 16 May 2022 The job of mapping the asteroid's composition and identifying all the elements falls to a gamma ray and neutron spectrometer. Jennifer Ouellette, Ars Technica, 13 Apr. 2022 Using an observatory on the edge of the Tibetan Plateau, astronomers have spotted the highest energy light ever, gamma ray photons up to 1.4 petaelectronvolts (PeV). Ling Xin, Science | AAAS, 18 May 2021 Plans call for using the telescope to probe galaxy formation and hunt for exoplanets, and training it on transient sources such as gamma ray bursts to try to pinpoint their locations. Richard Stone, Science | AAAS, 12 July 2021 The other stuff looks like an integration of exposure over a range of gamma ray energies. Rhett Allain, Wired, 25 June 2021 The new technique relies on detectors that emit light when struck by either a neutron or a gamma ray and measure the time of arrival with nanosecond precision. Richard Stone, Science | AAAS, 19 May 2021 See More

Word History

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of gamma ray was in 1903

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