active galactic nucleus

English

Noun

active galactic nucleus (plural active galactic nuclei)

1. (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