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exoplanetenUK
ex·o·plan·et E5288800 (ĕk′sō-plăn′ĭt)n. An extrasolar planet. ex′o·plan′e·tar′y (-ĭ-tĕr′ē) adj.exoplanet (ˈɛksəʊˌplænɪt) n (Astronomy) a planet that orbits a star in a solar system other than that of EarthTranslationsexoplanetenUK
exoplanet or extrasolar planet, a planet located outside the solar system. See planetplanet [Gr.,=wanderer], a large nonluminous body of rock, gas, or ice that orbits the sun or another star, has a rounded shape due to gravity, and has cleared its orbit of smaller objects. ..... Click the link for more information. ; planetary systemplanetary system, a star and all the celestial bodies bound to it by gravity, especially planets and their natural satellites. Until the last decade of the 20th cent., the only planetary system known was the solar system, which comprises the sun and the surrounding planets, ..... Click the link for more information. .exoplanet[‚ek·sō′plan·ət] (astronomy) extrasolar planet |