Astronomical Applications Department, U.S. Naval Observatory - Computes the position, brightness, and other observable characteristics of celestial bodies, as well as the circumstances of astronomical phenomena. Includes information on calendars and related topics.
http://aa.usno.navy.mil/

Added:2008-12-12
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Astronomy Education and Outreach - General astronomy tutorial, education links, web courses, documents at the UCSD Center for Astrophysics and Space Sciences.
http://casswww.ucsd.edu/public/astroed.html

Added:2008-12-12
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AstroWeb - Astronomical internet resources from the National Radio Astronomy Observatory.
http://www.cv.nrao.edu/fits/www/astronomy.html

Added:2008-12-12
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Eric Weisstein's World of Astronomy - A web encyclopedia. Over 500 entries, ranging from definitions to full articles.
http://scienceworld.wolfram.com/astronomy/

Added:2008-12-12
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Absolute Astronomy - Facts and statistical information about planets, moons, constellations, stars, galaxies, and Messier objects.
http://www.absoluteastronomy.com/

Added:2008-12-12
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An Atlas of the Universe - Contains 3D maps of the universe zooming out from the nearest stars to the scale of the galaxy and out to the surrounding superclusters and finally to the scale of the known universe.
http://www.atlasoftheuniverse.com/

Added:2008-12-12
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Astronomical Pseudo-Science: A Skeptic's Resource List - List of links for those, who want to examine theories that are on the fringe of accepted scientific thought that are related connected to astronomy. A few examples are astrology, UFO's, the "Face" on Mars, and ancient astronaut theory.
http://www.astrosociety.org/education/resources/pseudobib.html

Added:2008-12-12
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Astronomy Net - Resources, searchable forums and searchable lists of organizations providing astronomy services.
http://www.astronomy.net/

Added:2008-12-12
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Astronomy Online - Gives overview of the solar system, the Milky Way galaxy, extrasolar planets, cosmology and astrophotography. Includes images, additional resources, and forums.
http://astronomyonline.org

Added:2008-12-12
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Astronomy Today - Information and articles on astronomy, space and related topics. Also features a friendly forum and a telescope buyer's FAQ page.
http://www.astronomytoday.com/

Added:2008-12-12
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