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radiation belt

noun

, Physics.


radiation belt

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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of radiation belt1

First recorded in 1955–60
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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.

Those particles are channeled into Earth's radiation belt.

From Salon

"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

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radiational coolingradiation damage