active galactic nucleus

Noun

Meaning

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.

Source: en.wiktionary.org

Synonyms

AGN lacertid

Related terms

active galaxy

Close letter words and terms

active from birth active from hatching active front active galaxy active girl active gravitational mass