estraterrestrial body

English Thesaurus

1. a natural object existing outside the earth and outside the earth's atmosphere (noun.object)

hypernym	:	natural object,
definition	:	an object occurring naturally; not made by man (noun.tops)

hyponym	:	comet,
definition	:	(astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit (noun.object)

hyponym	:	meteor, meteoroid,
definition	:	(astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere (noun.object)

part meronym	:	cosmos, creation, existence, macrocosm, universe, world,
definition	:	everything that exists anywhere (noun.object)