What the heck is going on?' Extremely high-energy particle detected falling to Earth, Particle physics
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Amaterasu particle, one of highest-energy cosmic rays ever detected, is coming from an apparently empty region of space
![](https://i.guim.co.uk/img/media/f11d91f35db7073c5e5da198bc5c41149301e05c/0_127_3000_1800/master/3000.jpg?width=1200&quality=85&auto=format&fit=max&s=8f4eb3f762bd2da5baefc94d65ec5398)
What the heck is going on?' Extremely high-energy particle detected falling to Earth, Particle physics