てんもんがくけんきゅうじょ 天文学研究所 LinksSentence search for 天文学研究所Sentence search for てんもんがくけんきゅうじょKanji details for 天, 文, 学, 研, 究 and 所Edit in JMdict Noun1. Institute of Astronomy; IoAOrganization nameOrganization2. Institute of Astronomy; IoA Discussions Log in to talk about this word.