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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The particles in cosmic rays — mostly consisting of hydrogen — hit planets and moons in our Solar System.
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Jack Knudson, Discover Magazine, 29 July 2025
Years after gaining superpowers from being bombarded by cosmic rays in space, the astronauts-turned-superheroes face a new threat when the mysterious Silver Surfer, Shalla-Bal (Julia Garner), heralds the coming of the world-devouring Galactus (Ralph Ineson).
—Brian Truitt, USA Today, 26 July 2025
That means we are protected from the harsh effects of cosmic rays.
—Robert Lea, Space.com, 25 July 2025
The film, based on the original Marvel comics, is set during the 1960s in a retro-futuristic world led by the Fantastic Four, a family of astronauts-turned-superhuman from exposure to cosmic rays during a space mission.
—Eleanor Pringle, Fortune, 28 July 2025
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Jack Knudson, Discover Magazine, 29 July 2025
Years after gaining superpowers from being bombarded by cosmic rays in space, the astronauts-turned-superheroes face a new threat when the mysterious Silver Surfer, Shalla-Bal (Julia Garner), heralds the coming of the world-devouring Galactus (Ralph Ineson).
—Brian Truitt, USA Today, 26 July 2025
That means we are protected from the harsh effects of cosmic rays.
—Robert Lea, Space.com, 25 July 2025
The film, based on the original Marvel comics, is set during the 1960s in a retro-futuristic world led by the Fantastic Four, a family of astronauts-turned-superhuman from exposure to cosmic rays during a space mission.
—Eleanor Pringle, Fortune, 28 July 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 19 Aug. 2025.
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