ぎんがけいないせいうん 銀河系内星雲 LinksSentence search for 銀河系内星雲Sentence search for ぎんがけいないせいうんKanji details for 銀, 河, 系, 内, 星 and 雲Edit in JMdict Noun1. galactic nebulaAstronomy, Obsolete term, See also 星雲 Discussions Log in to talk about this word.