radiation belt

American  

noun

Physics.

1. Van Allen belt.

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radiation belt British  

noun

1. a region in the magnetosphere of a planet in which charged particles are trapped by the planet's magnetic field, an example being the earth's Van Allen belts

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Etymology

Origin of radiation belt

First recorded in 1955–60

Example Sentences

They are also prepared to to conduct several tests from the high altitude, including communication with Starlink internet satellites, and observations of the effects of passing through the Van Allen radiation belt, a highly charged area in space.

From BBC

Researchers have spied the first radiation belt outside the Solar System.

From Science Magazine

"We are actually imaging the magnetosphere of our target by observing the radio-emitting plasma — its radiation belt — in the magnetosphere," Melodie Kao, a postdoctoral fellow at the University of California, Santa Cruz and the study's lead author said in a statement.

From Salon

Mars used to have a radiation belt, but it disappeared over time as its magnetic field all but disappeared.

From Salon

Those particles are channeled into Earth's radiation belt.

From Salon