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English Dictionary - With Multi-Lingual Search Your Query of 'Van Allen radiation belt' Resulted in 1 Matches Displaying Items 1 through 1 Definitions Van Allen radiation belt noun van, Van Allen radiation belt 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. Any of similar areas around another planet. Translations:  Etymology: From James Alfred Van Allen, US physicist.        Find:   Words Starting With:   Words Ending With:   Words Containing:   Words That Match:    Translate Into:    Dutch   French   German    Italian   Spanish Browse the Dictionary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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