Astrophysics (Index)About

extragalactic astronomy

(astronomy of other galaxies, galaxy clusters, AGNs, quasars, etc.)

The term extragalactic astronomy is astronomy beyond the Milky Way: such as other galaxies, galaxy clusters, quasars, and active galactic nuclei.


(science,astronomy,galaxies,AGN,quasars)
Further reading:
http://en.wikipedia.org/wiki/Extragalactic_astronomy

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