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Contact: Lee J. Siegel
lee.siegel@utah.edu
801-244-5399
University of Utah

University of Utah Cosmic Ray Physicists

Caption: University of Utah physicists Gordon Thomson, Charlie Jui and John Matthews discuss the Telescope Array cosmic ray observatory's discovery of a "hotspot" -- located beneath the Big Dipper in the northern sky -- emitting an unusual number of ultrahigh-energy cosmic rays. The source of these rays, which are the most energetic particles in the universe, remains unknown, but the new finding will help narrow the search.

Credit: Lee J. Siegel, University of Utah.

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Related news release: A hotspot for powerful cosmic rays


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