Welcome  to the Auger page of the UCM group 

On the vast plain known as Pampa Amarilla in western Argentina, a new window on the Universe is taking shape. The Pierre Auger Cosmic Ray Observatory has begun its study of Universe's highest energy particles. These rare messengers should tell an important history about how they originate. Experiments have so far failed to decipher their message, and their existence has become a profound puzzle. The Auger Observatory is attacking this enigma of the highest energy cosmic rays with unprecedented collecting power and experimental controls.



Cosmic rays are charged particles that rain down on us constantly from space. Most of those particles belong to populations that are well understood...

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