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“cosmic radiation”
Radiation by cosmic rays, consisting chiefly of protons, with some electrons and atomic nuclei: Cosmic radiations involves their collision or reaction with particles in the atmosphere which includes a wide variety of secondary radiations known as a cosmic ray showers.
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-ation, -ization (-iz[e] + -ation); -isation (British spelling variation)
(page 22)
cosmo-, cosm-, cosmico-, cosm, -cosmia, -cosmos, -cosmic, -cosmics, -cosmical, -cosmology, -cosms
(page 2)
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“cosmic radiation”
cosmic radiation
Streams of high-energy particles from outer space, consisting of protons, alpha particles, and light nuclei, which collide with atomic nuclei in the earth's atmosphere, and produce secondary nuclear particles; primarily mesons (elementary particles responsible for the forces in the atomic nucleus); such as, pions and muons (types of subatomic particles), that shower the earth.
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Astronomy and related astronomical terms
(page 7)