Difference between revisions of "Cosmic ray"
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'''Cosmic rays''' are extremely high-energy [[radiation]], mainly originating outside the [[Solar System]].<ref>{{cite book | '''Cosmic rays''' are extremely high-energy [[radiation]], mainly originating outside the [[Solar System]].<ref>{{cite book | ||
| last=Sharma | | last=Sharma | ||
Revision as of 17:52, September 1, 2016
Cosmic rays are extremely high-energy radiation, mainly originating outside the Solar System.[1] Cosmic rays are composed primarily of high-energy protons and atomic nuclei. They are of mysterious origin. They were given the name "rays" in the mistaken belief that they were a form of electromagnetic radiation. However, cosmic rays are particles rather than just photons. Due to relativistic effects, cosmic rays have a very high mass and reach energies of up to 1014 eV.
References
- ↑ Sharma (2008). Atomic And Nuclear Physics. Pearson Education India. ISBN 978-81-317-1924-4.