Definition of Active galactic nucleus

1. Noun. (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. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Active Galactic Nucleus

active caries
active centre
active citizen
active congestion
active couple
active couples
active dry yeast
active duty
active electrode
active fault
active formaldehyde
active formyl
active front
active fronts
active galactic nuclei
active galactic nucleus (current term)
active galaxy
active immunity
active immunization
active inflammation
active ingredient
active ingredients
active labour
active length-tension curve
active listening
active matrices
active matrix
active matrix screen
active metal
active methionine

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