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Cosmic Rays

18 Oct 2009, 21:14 UTC
Cosmic Rays Simon Swordy (U. Chicago), NASA
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Part 3 of my series on space radiation is about the radiation itself. The term cosmic rays is generally used to describe this radiation. Unfortunately, as often happens, the term evolved before the nature of the phenomenon being studied was known, so it may not be the best term to use. Nonetheless, we are stuck with it. In fact, the term has historically been used to describe more than one phenomenon.

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