天の川銀河 あまのがわぎんが Meanings Expression, Noun Milky Way galaxy See also: 銀河系 (ぎんがけい). Kanji 天 heaven. Read as あま. 川 river. Read as かわ. 銀 silver. Read as ギン. 河 river. Read as カ. Word lists Astronomy Jinuma: Japanese Dictionary · Word lists