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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As Lee and Kirby did with cosmic rays for the origin of the Fantastic Four, the legendary creators plucked the term gamma rays from real-world science.
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Robert Lea, Space.com, 12 Feb. 2025
Understanding where these particles come from could reveal more about the origin of mysterious cosmic rays, long thought to be the primary source of neutrinos when the rays strike Earth’s atmosphere.
—Ashley Strickland, CNN, 12 Feb. 2025
According to their start in the comics, an experimental space flight exposes them to cosmic rays, giving each of the four members incredible abilities.
—Anders Fogh Rasmussen, Newsweek, 4 Feb. 2025
The probe is now transmitting data about the interstellar medium, including information about cosmic rays, magnetic fields, and particle densities.
—Thomas G. Moukawsher, Newsweek, 29 Nov. 2024
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Robert Lea, Space.com, 12 Feb. 2025
Understanding where these particles come from could reveal more about the origin of mysterious cosmic rays, long thought to be the primary source of neutrinos when the rays strike Earth’s atmosphere.
—Ashley Strickland, CNN, 12 Feb. 2025
According to their start in the comics, an experimental space flight exposes them to cosmic rays, giving each of the four members incredible abilities.
—Anders Fogh Rasmussen, Newsweek, 4 Feb. 2025
The probe is now transmitting data about the interstellar medium, including information about cosmic rays, magnetic fields, and particle densities.
—Thomas G. Moukawsher, Newsweek, 29 Nov. 2024
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 27 Feb. 2025.
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