ちょう銀河 ぎんが集団 しゅうだんじゃなかったです
chōginga shūdanjanakattadesu

Noun
Desu Copula

The polite, past negative form of 超銀河集団

1. Wasn't a supergalaxy cluster.

Past/Perfective
Negative
Polite
Casual Register