Meaning Of The Word Cosmic rays

Real Dictionary

What's the definition of Cosmic rays? Find Cosmic rays meanings, definitions and more at the Real Dictionary online.

Cosmic rays Meaning

Cosmic rays Definition
Cosmic rays Definition

What's The Definition Of Cosmic rays?

cosmic rays
plural noun: Cosmic rays are rays that reach Earth from outer space and consist of atomic nuclei.

cosmic rays in American English
streams of high-energy charged particles from outer space, composed of protons, alpha particles, and a few heavier nuclei, which bombard the atoms in the upper atmosphere and produce various secondary nuclear particles which shower the earth

cosmic rays in British English
plural noun: radiation consisting of particles, esp protons, of very high energy that reach the earth from outer space

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