News From the Field
Where Do the Highest-energy Cosmic Rays Come From? Probably Not From Gamma-ray Bursts
April 18, 2012
Some rare cosmic rays pack an astonishing wallop, with energies prodigiously greater than particles in human-made accelerators like the Large Hadron Collider. Their sources are unknown, although scientists favor active galacti nuclei or gamma-ray bursts.
DOE/Lawrence Berkeley National Laboratory
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