active galactic nucleus

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English[edit]

Noun[edit]

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, and possibly all, of the electromagnetic spectrum.

Synonyms[edit]

  • AGN (abbreviation)

Derived terms[edit]

  • AGN (abbreviation)

Related terms[edit]

Translations[edit]