銀ぎん河が座ざ標ひょうぎんがざひょうMeanings1noungalactic coordinatesTechnical term in astronomy for specifying positions in the Milky Way galaxy using a galactic coordinate system.天てん文もん学がく者しゃは銀ぎん河が座ざ標ひょうを使つかって星ほしの位い置ち