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Auger Observatory closes in on long standing mystery, links highest-energy cosmic rays with violent black holes

08 November 2007

Scientists of the Pierre Auger Collaboration, in which the KVI is participating, announced today (8 November 2007) that active galactic nuclei are the most likely candidate for the source of the highest-energy cosmic rays that hit Earth. Using the Pierre Auger Observatory in Argentina, the largest cosmic-ray observatory in the world, a team of scientists from 17 countries found that the sources of the highest-energy particles are not distributed uniformly across the sky. Instead, the Auger results link the origins of these mysterious particles to the locations of nearby galaxies that have active nuclei in their centers. The results appear in the November 9 issue of the journal Science .

Last modified:31 October 2016 11.58 a.m.

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