Science / Astronomy /

Astronomy is the study physical and chemical properties of the stars, planets, galaxies and the universe, as we know it, today and in the past.

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Astronomy Net

Astronomy NetResources, searchable forums and searchable lists of organizations providing astronomy services.

6
589,977
NA
189,000,000
25,200
164

Absolute Astronomy

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

6
8,610
NA
1,660,000
246,000
2

Astronomy Today

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

6
874,458
1,112,328
9,540
1,340
289

Astronomical Applications Department, U.S. Naval Observatory

Astronomical Applications Department, U.S. Naval ObservatoryComputes 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.

7
5,229
NA
129,000
4,250
1

Astronomy Online

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

6
635,612
NA
37,200
5,220
285

An Atlas of the Universe

An Atlas of the UniverseContains 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.

6
342,065
NA
17,000
1,040
160

1

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