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What does AGN stand for?

AGN stands for Active Galactic Nucleus

This definition appears very frequently and is found in the following Acronym Finder categories:

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We have 56 other meanings of AGN in our Acronym Attic

Samples in periodicals archive:

Jaffe of the State University of Leiden in the Netherlands, the Hubble image provides the closest look yet at the center of a type of galaxy -- called an active galactic nucleus (AGN) -- that has a luminous, energetic core.