Study confirms cosmic rays have extragalactic phenomena

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Study confirms cosmic rays have extragalactic originate from “extremely violent” astrophysical phenomena, to settle a decades-old debate, Pierre Auger Observatory comprises 1600 Cherenkov particle detectors that are spread over 3000 km2 in Argentina. Multiple detectors gives the direction of the cosmic ray arrival rate of ultra-high-energy cosmic rays is about 6% greater in one half of the sky that is more of excess that lies about 120° away from the centre of the Milky Way – suggesting extra-galactic origins particles appear to be coming from directions in space that have a high density of nearby galaxies. 

 In a paper to be published in Science on 22 September , the Pierre Auger Collaboration reports observational evidence demonstrating that cosmic rays with energies a million times greater than that of the protons accelerated in the Large Hadron Collide

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