Van Allen Radiation Belt Definition
van alən
noun
Either of two broad, doughnut-shaped regions surrounding the earth and composed of high-energy electrons and protons trapped in the earth's magnetic field at heights between c. 400 km (c. 250 mi) and c. 64,370 km (c. 40,000 mi)
Webster's New World
Other Word Forms of Van Allen Radiation Belt
Noun
Singular:
Van Allen radiation belt
Plural:
van-allen-radiation-beltsOrigin of Van Allen Radiation Belt
-
From James Alfred Van Allen, US physicist.
From Wiktionary
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