Definition of Van Allen belt in English:
Each of two regions of intense radiation partly surrounding the earth at heights of several thousand kilometers.
- However, it could also be due to a trapped-particle belt around the star - much like the Van Allen belts surrounding the Earth - or even a disk of debris orbiting the star.
- Radiation from the Van Allen belt would kill any astronaut that spent enough time there.
- The invisible Van Allen belts that circle Earth in a region known as the magnetosphere trap much of this radiation and serve as an umbrella that protects people in low Earth orbit or below.
Definition of Van Allen belt in:
- British & World English dictionary
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