Special Link: The Powers of Ten video.

Astronomy News Sources and Special Events

• Magazines: Sky & Telescope (and this week's sky); Astronomy.
• Magazines-Amateur: The Strolling Astronomer; The Astronomer.
• News from Major News Networks: ABCnews; BBC; CBS news; CNN.
• News from Astronomy Organizations: Today at NASA; ESA Science; Spacer.Com; IAAS (International Association for Astronomical Studies).
• Noticias en español: sitio ciencia@NASA; sitio infoastro.com.
• The Sky: Stig's Sky Calendar; Stardate Online site; Wikisky.org site.

Astronomy Reference Sites

• Astronomy Notes site; Univesity of Wisconsin links; go.com; CBS list; Astronomy for beginners; SpaceConnection site; Astromart site; PSIgate Astronomy Gateway; Open Directory Project (dmoz) astronomy links; keoz6.com astronomy vertical portal; Sea & Sky site.
• Lecture Notes: Harvard University notes by O Gingerich and D Latham.
• General Information: NASA's Basics of Space Flight site; Virtual Journey into the Universe site; Astronomy Education Research site; David Darling's encyclopedia.

Textbook Sites

• Textbook Websites: J Bennett et al's Astrospot (Addison Wesley); T Arny's Explorations (McGraw-Hill); J Fix's Astronomy (McGraw-Hill) and updates; A Fraknoi's Voyages (Harcourt College); Brooks/Cole astronomy resources; Chaisson & McMillan's Astronomy (Prentice Hall).
• e-Book Websites: Brooks/Cole's Online Journey through Astronomy.

Astronomical Societies (For amateur astronomy see the sky resources)

• AAAA (American Association of Amateur Astronomers).
• ASP (Astronomical Society of the Pacific): A non-profit scientific and educational society.
• IAU (International Astronomical Union): An organization devoted to promoting and safeguarding the science of astronomy in all its aspects through international cooperation. The only one internationally recognised authority for assigning designations to celestial bodies and surface features on such bodies.
• RASNZ (Royal Astronomical Society of New Zealand).
• SAS (Southern Astronomical Society): An amateur society in Queensland, Australia.

Astronomy Software (See also Bill Arnett's software list)

• Starry Night: Backyard, Pro, and Beginner versions from Space.com software, as well as Deep Space Explorer.
• EasySoft: makers of Astronomica, software for generating sky maps.

Online Astronomy Activities and Courses

• The Space Telescope Science Institute's Amazing Space website.
• Gary's Astronomy Homework Help.
• Dr Jamie Love's online astronomy lessons.
• Activities: Astronomy with a Stick page.