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»Oh-my-God«-partiklen – July 28, 2017

Are you interested in brushing up your Danish? Read a feature article on the Pierre Auger Observatory.

Ultrahigh energy cosmic rays come from outside the Milky Way

Interesting article in the October 2016 issue of the American bi-weekly magazine ScienceNews.

Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory


The Pierre Auger Collaboration has investigated the constraining power of the cosmic ray spectrum and composition measurements with respect to the properties of the possible sources.

Search for photons above 10^18 eV with the hybrid detector of the Pierre Auger Observatory


The Pierre Auger Collaboration has searched for the possible presence of photons with energies exceeding 1018 eV in the flux of cosmic rays arriving at Earth.

Impact of atmospheric effects on the energy reconstruction of air showers observed by the surface detectors of the Pierre Auger Observatory

When an ultrahigh-energy cosmic ray impacts the Earth’s atmosphere, it can generate an enormous cascade of billions of energetic particles capable of reaching the ground.

Pierre Auger Observatory
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Malargüe, Mendoza, Argentina
Phone: (0260) 4471562 / 556 / 579 int.121
E-mail: webmaster@auger.org

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