cosmic ray
noun
: a stream of atomic nuclei of extremely penetrating character that enter the earth's atmosphere from outer space at speeds approaching that of light
Examples of cosmic ray in a Sentence
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Exposure to cosmic rays alters the composition of a meteoroid, so the degree of alteration tells us how long a meteoroid has been in space after breaking off its parent body.
—
Keith Cooper, Space.com, 3 Apr. 2025
The Fantastic Four sees four astronauts remade into superheroes after exposure to cosmic rays in space.
—Matt Donnelly, Variety, 3 Apr. 2025
Beyond The Electromagnetic Spectrum Lately, however, astronomers are even searching for and detecting high-energy cosmic ray particles, neutrino particles, and gravitational radiation --- none of which are part of the electromagnetic spectrum.
—Bruce Dorminey, Forbes.com, 23 Apr. 2025
In a new study, researchers from the Los Alamos National Laboratory in New Mexico argue that this spark is often provided by cosmic ray showers.
—Thomas G. Moukawsher, Newsweek, 21 Mar. 2025
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Keith Cooper, Space.com, 3 Apr. 2025
The Fantastic Four sees four astronauts remade into superheroes after exposure to cosmic rays in space.
—Matt Donnelly, Variety, 3 Apr. 2025
Beyond The Electromagnetic Spectrum Lately, however, astronomers are even searching for and detecting high-energy cosmic ray particles, neutrino particles, and gravitational radiation --- none of which are part of the electromagnetic spectrum.
—Bruce Dorminey, Forbes.com, 23 Apr. 2025
In a new study, researchers from the Los Alamos National Laboratory in New Mexico argue that this spark is often provided by cosmic ray showers.
—Thomas G. Moukawsher, Newsweek, 21 Mar. 2025
See All Example Sentences for cosmic ray
Cite this Entry
“Cosmic ray.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic%20ray. Accessed 9 May. 2025.
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