Meanings
plural outer planets
- astronomyAny planet of the Solar System whose orbit is located beyond the asteroid belt, i.e., any of Jupiter, Saturn, Uranus, or Neptune.
Voyager shattered the dogma that the worlds of the outer solar system had been shaped by similar, predictable, and rather uninteresting processes. […] From our post-Voyager perspective, it is truly astounding how very little we knew about the outer planets when we started.
1990 August, Bradford A. Smith, “Voyage of the Century”, in National Geographic, volume 178, number 2, page 52Antonyms: inner planet
Synonyms & antonyms
nounAny planet of the Solar System whose orbit is located beyond the asteroid belt, i.e., any of Jupiter, Saturn, Uranus, or Neptune.
Translations
Estonian välisplaneet
- välisplaneetplanet of the Solar System with an orbit beyond the asteroid belt
French planète externe
- planète externeplanet of the Solar System with an orbit beyond the asteroid belt
German äußere Planet
- äußere Planetplanet of the Solar System with an orbit beyond the asteroid belt
Hungarian külső bolygó
- külső bolygóplanet of the Solar System with an orbit beyond the asteroid belt
Italian pianeta esterno
- pianeta esternoplanet of the Solar System with an orbit beyond the asteroid belt
Polish planeta zewnętrzna
- planeta zewnętrznaplanet of the Solar System with an orbit beyond the asteroid belt
Spanish planeta externo
- planeta externoplanet of the Solar System with an orbit beyond the asteroid belt
Cite this entry
outer planet. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/outer%20planet
“outer planet.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/outer%20planet. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “outer planet,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/outer%20planet.
Source: outer planet on Wiktionary, CC BY-SA 4.0.