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Active Galaxies and Quasars

http://imagine.gsfc.nasa.gov/docs/science/know_l1/active_galaxies.html

Provides an introduction to galaxies and quasars. Includes an FAQ, quizzes, and links.

Submitted in section: Astronomy: Galaxies: Active Galactic Nuclei - Quasars: Active Galaxies and Quasars

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