Question

What are Cosmic Rays ? $~~~~~$​

Answer 1

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Cosmic rays are high-energy protons and atomic nuclei that move through space at nearly the speed of light. They originate from the sun, from outside of the solar system in our own galaxy, and from distant galaxies. Cosmic rays were discovered by Victor Hess in 1912 in balloon experiments.

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Answer 2

Answer:

a highly energetic atomic nucleus or other particle travelling through space at a speed approaching that of light.