van allen belt

English Thesaurus

1. a belt of charged particles (resulting from cosmic rays) above the Earth trapped by the Earth's magnetic field (noun.location)

instance hypernym	:	belt,
definition	:	an elongated region where a specific condition or characteristic is found (noun.location)

part meronym	:	earth, globe, world,
definition	:	the 3rd planet from the sun; the planet we live on (noun.object)