bn:03245607n
Noun Concept
Categories: Subatomic particles, Cosmic rays, Unsolved problems in astronomy, Particle physics, Unexplained phenomena
EN
ultra-high-energy cosmic ray  Cosmic bullet  EECR  extreme-energy cosmic ray  UHECR
EN
In astroparticle physics, an ultra-high-energy cosmic ray is a cosmic ray with an energy greater than 1 EeV, far beyond both the rest mass and energies typical of other cosmic ray particles. Wikipedia
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