活かつ動どう銀ぎん河が

か

つ

ど

う

ぎ

ん

が

Meanings

1

active galaxy

Astronomical term for a galaxy with an unusually luminous core, often due to an accreting supermassive black hole.

超ちょう

大だい

質しつ

量りょう

ブラックホール

が

ある

と

考かんが

え

られ

て

いる

。

It is thought that there is a supermassive black hole at the center of an active galaxy.

クエーサーは非ひ常じょうに遠えん方ぽうにある活かつ動どう銀ぎん河がの一いっ種しゅです。

Quasars are a type of active galaxy located at very great distances.