active galactic nucleus

English

Noun

active galactic nucleus (plural active galactic nuclei)

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

Synonyms

AGN (abbreviation)

Derived terms

AGN (abbreviation)

Related terms

active galaxy

Translations

region

Chinese:
Mandarin: 活動星系核／活动星系核 (huódòng xīngxìhé)
Finnish: aktiivinen galaksiydin
German: aktiver galaktischer Kern m
Hungarian: aktív galaxismag
Turkish: etkin galaktik çekirdek

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