たいようけいがい 太陽系外 LinksSentence search for 太陽系外Sentence search for たいようけいがいKanji details for 太, 陽, 系 and 外Edit in JMdict Noun which may take the genitive case particle 'no', Noun1. extrasolar; trans-Neptunian; outside the solar systemAstronomy Discussions Log in to talk about this word.