Definition of van allen belt Van allen belt
Van Al•len belt
We found 3 definitions of van allen belt from 2 different sources.
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What does van allen belt mean?
WordNet
Noun |
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| van allen belt - a belt of charged particles (resulting from cosmic rays) above the Earth trapped by the Earth's magnetic field |
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Wiktionary 
- van allen belt (Noun)
Either of two torus-shaped areas of high-energy charged particles which partly surround Earth, trapped by its magnetic field . The areas are characterised by intense radiation. When the belts "overload", particles strike the upper atmosphere and fluoresce, causing the polar aurora. - van allen belt (Noun)
Any of similar areas around another planet.
