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A dozen ultra-high-energy particle accelerators discovered in the Milky Way

New observations help astronomers hone in on a long-standing mystery about where cosmic rays come from. The Crab Nebula is one source of ultra-high-energy cosmic rays. (Image credit: NASA, ESA, J. Hester and A. Loll (Arizona State University)) A century-old celestial mystery is one step closer to being solved as researchers discover a dozen ultra-powerful natural particle accelerators in our galaxy.  The findings help astronomers understand the origin of cosmic rays — charged particles and a...
Razmik Mirzoyan Max Planck Institute For Physics Milky Way Siming Liu Purple Mountain Observatory Large High Altitude Air Shower Observatory

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