You searched for: “cosmic radiation
cosmic radiation (s) (noun), cosmic radiations (pl)
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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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.
This entry is located in the following unit: Astronomy and related astronomical terms (page 7)