TY - JOUR AU - Aab, A. AU - Bueno Villar, Antonio AU - Pierre Auger Collaboration PY - 2017 UR - http://hdl.handle.net/10481/63100 AB - Cosmic rays are atomic nuclei arriving from outer space that reach the highest energies observed in nature. Clues to their origin come from studying the distribution of their arrival directions. Using 3×104 cosmic rays above 8×1018 electron volts,... LA - eng PB - American Association for the Advancement of Science TI - Observation of a large-scale anisotropy in the arrival directions of cosmic rays above 8 × 1018 eV DO - 10.1126/science.aan4338 ER -