English Dictionary

active galactic nucleus

名詞

(astronomy) A compact region at the center of a galaxy that has a much higher than normal luminosity over at least some portion, and possibly all, of the electromagnetic spectrum.

日本語の意味

銀河の中心部に位置し、通常の銀河核よりもはるかに高い輝度を示すコンパクトな領域。 / 電磁スペクトルの一部または全体に渡って明るさが異常に高く観測される現象で、活発な天体活動が示唆される。

The astronomers observed sudden variability in the X-ray emission from the active galactic nucleus of the distant quasar.

天文学者たちは遠方クエーサーの活動銀河核からのX線放射の急激な変動を観測した。

意味（1）

(astronomy) A compact region at the center of a galaxy that has a much higher than normal luminosity over at least some portion, and possibly all, of the electromagnetic spectrum.

active galactic nuclei （ plural ）