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Cosmic ray

Frae Wikipedia, the free beuk o knawledge
Cosmic ray flux versus pairticle energy

Cosmic rays are veryheich-energy particles, mainly oreeginatin ootside theSolar Seestem.[1] Thay mey produceshowers o seicontary particles that penetrate an impact theYird's atmosphere an whiles even reach thesurface. Componed primarily o heich-energy protons an atomic nuclei, thay are o mysterious origin. Data frae theFermi space telescope (2013)[2] hae been interpreted as evidence that a significant fraction o primary cosmic rays originate frae thesupernovae o massive starns.[3] Houiver, this is nae thoucht tae be thair anly soorce.Active galactic nuclei probably an aa produce cosmic rays.

References

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  1. ↑Sharma (2008).Atomic And Nuclear Physics. Pearson Education India. p. 478.ISBN 978-81-317-1924-4.
  2. ↑Ackermann, M.; Ajello, M.; Allafort, A.; Baldini, L.; Ballet, J.; Barbiellini, G.; Baring, M. G.; Bastieri, D.; Bechtol, K.; Bellazzini, R.; Blandford, R. D.; Bloom, E. D.; Bonamente, E.; Borgland, A. W.; Bottacini, E.; Brandt, T. J.; Bregeon, J.; Brigida, M.; Bruel, P.; Buehler, R.; Busetto, G.; Buson, S.; Caliandro, G. A.; Cameron, R. A.; Caraveo, P. A.; Casandjian, J. M.; Cecchi, C.; Celik, O.; Charles, E.; Chaty, S. (15 Februar 2013)."Detection of the Characteristic Pion-Decay Signature in Supernova Remnants".Science. American Association for the Advancement of Science.339 (6424): 807–811.arXiv:1302.3307.Bibcode:2013Sci...339..807A.doi:10.1126/science.1231160. Retrieved14 Februar 2013.
  3. ↑Ginger Pinholster (13 Februar 2013)."Evidence Shows that Cosmic Rays Come from Exploding Stars".
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