active galactic nucleus love

active galactic nucleus


from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A galactic nucleus that emits more radiation than can be accounted for solely by light from the stars it contains.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • 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.


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