active galaxy

English

Noun

active galaxy (plural active galaxies)

(astronomy) A galaxy where a significant fraction of the energy output is not emitted by the normal components of a galaxy.

See also

AGN, active galactic nucleus
Sy, Seyfert galaxy
radio galaxy
Q, QSO, quasar
BL Lac, BL Lac object, BL Lacertae object
blazar
starburst galaxy

This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.