Eric Weisstein's World of Astronomy

Other links at Astronomy

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.

Category:

Astronomy

2. Absolute Astronomy

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

Category:

Astronomy

3. Astronomy Facts and Trivia

Fun facts and trivia relating to astronomy, space, science fiction movies. Most trivia items are submitted by users.

Category:

Astronomy

4. Eric Weisstein's World of Astronomy

A web encyclopedia. Over 500 entries, ranging from definitions to full articles.

Category:

Astronomy

5. 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.

Category:

Astronomy

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