Pierre Auger Observatory
The Pierre Auger Observatory is an international cosmic ray observatory in Argentina designed to detect ultra-high-energy cosmic rays: sub-atomic particles traveling at the speed of light and each wit...
Pierre Auger Observatory - Wikipedia
New data shows cosmic rays are more complex than expected
During the American Physical Society's 2015 April Meeting, to be held April 11-14 in Baltimore, Maryland, Eun Joo Ahn from Fermilab will present data from the most extensive study yet on the compositi...
Pierre Auger Observatory - Science Bulletins: Aiming High—The Search for Ultra High-Energy Cosmic Rays
The history of cosmic ray research is a story of scientific adventure. For nearly a century, cosmic ray researchers have climbed mountains, soared in hot air...