銀ぎん河が群ぐん

noun

group of galaxies

Astronomical term for a small cluster of galaxies, typically containing fewer members than a galaxy cluster (銀河団).

• 局きょく部ぶ銀ぎん河が群ぐんには天あまの川がわ銀ぎん河がやアンドロメダ銀ぎん河がが含ふくまれる。

  The Local Group of galaxies includes the Milky Way and Andromeda galaxies.