News of the WeekHIGH-ENERGY ASTROPHYSICS

Hot on the Trail of Cosmic Rays

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Science  05 Nov 2004:
Vol. 306, Issue 5698, pp. 956
DOI: 10.1126/science.306.5698.956b

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Summary

CAMBRIDGE, U.K.-- Researchers are closing in on finding the source of galactic cosmic rays, charged particles that whiz around the galaxy in huge numbers and constantly bombard Earth's upper atmosphere.