'Neutrino factories' could hold the solution to the cosmic ray mystery - Space.com

High-energy particles that bombard the Earth from the depths of space could originate from blazars, new research suggests.

New research has revealed that high-energy neutrinos and cosmic rays that bombard the Earth from deep space originate in blazars  —  actively galactic nuclei (AGN) that lurk at the center of galaxies… [+4832 chars]

full article...