Robert McNees on Nostr: The most energetic single particle ever detected, a cosmic ray dubbed the "Oh-My-God" ...
The most energetic single particle ever detected, a cosmic ray dubbed the "Oh-My-God" particle, was observed by the Fly's Eye Cosmic Ray Detector #OTD in 1991.
Its energy was about 3.2 x 10²⁰ eV ~ 51 J, equivalent to a baseball moving at almost 60 mph.
https://www.quantamagazine.org/the-particle-that-broke-a-cosmic-speed-limit-20150514/
Image: Olena Shmahalo/Quanta Magazine, using images of the Earth from NASA.
Its energy was about 3.2 x 10²⁰ eV ~ 51 J, equivalent to a baseball moving at almost 60 mph.
https://www.quantamagazine.org/the-particle-that-broke-a-cosmic-speed-limit-20150514/
Image: Olena Shmahalo/Quanta Magazine, using images of the Earth from NASA.