Astronomy (Subscribe)
Categories
- Stars (110)
- Star Clusters (13)
- Solar System (614)
- Software (147)
- Research Groups and Centers (36)
- Publications (43)
- Products and Services (387)
- Planetariums (93)
- Organizations (22)
- Observatories (241)
- News and Media (33)
- Interstellar Medium (14)
- In the Arts (4)
- Images (47)
- History (161)
- Galaxies (45)
- Extrasolar Planets (37)
- Education (42)
- Eclipses, Occultations and Transits (71)
- Directories (12)
- Data Archives (62)
- Cosmology (99)
- Calendars and Timekeeping (50)
- Astronomers (22)
- Amateur (1139)
- Academic Departments (8)
- Alternative Astronomy (92)
Links
An Atlas of the Universe popular
http://www.atlasoftheuniverse.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.
Absolute Astronomy popular
http://www.absoluteastronomy.com/
Facts and statistical information about planets, moons, constellations, stars, galaxies, and Messier objects.
A Review of the Universe: Structures, Evolutions, Observations, and Theories
A retired physicist surveys the entire extent of the universe touching upon phenomenon from the largest to the smallest size and covering the entire cosmic interval from past to present.