Welcome to the Auger page of the UCM group
On the vast plain known as the Pampa Amarilla
(yellow prairie) in western Argentina, a new window on the universe is
taking shape. There, the Pierre Auger Cosmic Ray Observatory is
studying the universe's highest energy particles, which shower down on
Earth in the form of cosmic rays. While cosmic rays with low to
moderate energies are well understood, those with extremely high
energies remain mysterious. By detecting and studying these rare
particles, the Auger Observatory is tackling the enigmas of their
origin and existence. Cosmic rays are charged particles (usually a proton or a heavy nucleus) that constantly rain down on us from space.