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Astroparticle physics

Astroparticle physics

Cosmic gamma-ray energy record shattered by high-altitude observatory

06 Jul 2019 Hamish Johnston
ASgamma
High altitude: composite image of ASgamma showing the aboveground and underground detectors. (Courtesy: ASgamma)
Cosmic gamma rays with energies as high as 450 TeV (1012 eV) have been observed by the ASgamma obs

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Hamish Johnston is an online editor of Physics World
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