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銀河宇宙線
Wikipedia definition
1. Galactic cosmic rayGalactic cosmic rays (GCRs) are cosmic rays that have their origin inside our Galaxy. GCRs are high-energy charged particles, and are usually protons, electrons, and fully ionized nuclei of light elements. They are a strong source for cosmic ray spallation in the atmosphere of the Earth.
Read “Galactic cosmic ray” on English Wikipedia
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Read “Galactic cosmic ray” on DBpedia

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