planète intérieurecommon nounSyllable Decompositionplanète intérieureEtymologyexpandcomposed of planet and interior. terrestrial planets are closer to the sun than gas planets.Definition1. Planet in the solar system located before the first asteroid belt: Mercury, Venus, Earth, or Mars.astronomieexpandLes planètes intérieures sont toutes composées de roches.Synonymplanète telluriqueAntonymplanète extérieureHyperonymplanèteTranslationsenglish:inner planet