超ちょう銀ぎん河が集しゅう団だん

noun

supercluster of galaxies

Astronomical term for a large-scale structure composed of multiple galaxy clusters.

• おとめ座ざ超ちょう銀ぎん河が集しゅう団だんは、私わたしたちの銀ぎん河が系けいを含ふくむ巨きょ大だいな構こう造ぞうです。

  The Virgo Supercluster is a vast structure that includes our Milky Way galaxy.