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Astroparticle physics

Astroparticle physics

Mysterious ultrahigh-energy cosmic ray puzzles astronomers

27 Nov 2023
Cosmic ray detection
Sun goddess: illustration of the shower of particles created by Amaterasu as it entered the atmosphere above the Telescope Array in Utah. (Courtesy: Osaka Metropolitan University/L-INSIGHT, Kyoto University/Ryuunosuke Takeshige)
A cosmic-ray particle with an energy about 36 million times greater than the particles accelerated b

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Jacklin Kwan is a science writer based in London
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