written by
the University of Maryland Astronomy Department
This site discusses the different types of active galaxies: Double-Lobed radio galaxies, Seyfert Galaxies, BL Lac Objects, and quasars. These pages discuss the structure, components, behavior, and provide an image or diagram for each type. It also provides information about the role black holes may have in understanding active galaxies and an image of a suspected black hole at core of a NGC4261. This site ends with a short quiz.
University of Maryland Astronomy Department, Introductory Astronomy: Active Galaxies (2004), WWW Document, (http://www.astro.umd.edu/resources/introastro/actgal.html).
University of Maryland Astronomy Department, Introductory Astronomy: Active Galaxies (2004), <http://www.astro.umd.edu/resources/introastro/actgal.html>.
University of Maryland Astronomy Department. (2004). Introductory Astronomy: Active Galaxies. Retrieved May 20, 2013, from http://www.astro.umd.edu/resources/introastro/actgal.html
University of Maryland Astronomy Department. Introductory Astronomy: Active Galaxies. 2004. http://www.astro.umd.edu/resources/introastro/actgal.html (accessed 20 May 2013).
University of Maryland Astronomy Department. Introductory Astronomy: Active Galaxies. 2004. 20 May 2013 <http://www.astro.umd.edu/resources/introastro/actgal.html>.
@misc{
Author = "University of Maryland Astronomy Department",
Title = {Introductory Astronomy: Active Galaxies},
Volume = {2013},
Number = {20 May 2013},
Year = {2004}
}
%Q University of Maryland Astronomy Department %T Introductory Astronomy: Active Galaxies %D 2004 %U http://www.astro.umd.edu/resources/introastro/actgal.html %O text/html
%0 Electronic Source %A University of Maryland Astronomy Department, %D 2004 %T Introductory Astronomy: Active Galaxies %V 2013 %N 20 May 2013 %9 text/html %U http://www.astro.umd.edu/resources/introastro/actgal.html
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