銀ぎん河が座ざ標ひょう

noun

galactic coordinates

Technical 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を表あらわす。

  Astronomers use galactic coordinates to indicate the positions of stars.