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Walkabout the Galaxy


In Search of the Cosmic Accelerator

Nov 16, 2022

Somewhere out there in the vast reaches of space are unfathomably powerful natural particle accelerators. They fling protons and other particles across the universe, and we detect them here as cosmic rays. Scientists are measuring cosmic neutrinos that would also be produced in these cosmic accelerators, and those ghostly particles may be starting to give us some indications where they, and cosmic rays, originate from. We also check in on simulating an asteroid apocalypse, the cosmic neutrino background, and more.