cosmic ray air shower

Related to cosmic ray air shower: Extensive Air Shower

cosmic ray air shower

n.
The radiation, consisting primarily of pions, muons, electrons, and gamma rays, that results from collisions of cosmic rays with the atoms in the earth's atmosphere.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Contributing editor Govert Schilling's hometown, Amersfoort in the Netherlands, is hit by an ultrahigh-energy cosmic ray air shower about once every year and a half.
Cosmic superparticle mystery: solved? Scientists finally think they've found where the unbelievable "ultrahigh-energy cosmic rays" are coming from

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