Facts and statistical information about planets, moons, constellations, stars, galaxies, and Messier objects.

www.absoluteastronomy.com/

News for, by and about amateur astronomers around the world. A quarterly publication with lots of articles and pictures about all aspects of amateur astronomy.

amateurastronomy.com

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.

www.atlasoftheuniverse.com/

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.

aa.usno.navy.mil/

Astronomy for kids online explores the Milky Way Galaxy, the Big Bang theory, and the Solar System for kids. Learn about famous astronomers like Claudius Ptolemy and Nicolaus Copernicus, and find out the definition of astronomy from an astronomy ...

www.astronomy-for-kids-online.com

Contains a collection of hands-on astronomy activities for classroom and home. A feature is the downloadable star wheel with a version available for every latitude on Earth.

www.astronomyinyourhands.com

Includes astronomy and space news, sky events, reprinted articles for the magazine, and astronomy and telescope resources.

www.astronomy.com

Resources, searchable forums and searchable lists of organizations providing astronomy services.

www.astronomy.net/

Gives overview of the solar system, the Milky Way galaxy, extrasolar planets, cosmology and astrophotography. Includes images, additional resources, and forums.

astronomyonline.org

Information and articles on astronomy, space and related topics. Also features a friendly forum and a telescope buyer's FAQ page.

www.astronomytoday.com/