• Astronomy - Wikibooks, collection of open-content textbooks

• Astronomy - CliffsNotes

• Go Astronomy - Guide to Telescopes, Planets, Constellations & More

• Heavens-Above

• Astronomy - Wikipedia, the free encyclopedia

• Astronomy Magazine

• Binoculars & Telescopes at eBay

• The Astronomy Net - The Astronomy Net contains articles, forums, clubs, vendors, manufacturers and other resources important to those interested in Astronomy

• Deep Sky Database - This site is an online observing list generator for amateur astronomers who love to pursue deep sky objects

• Astronomy Astrophysics on the Internet

• Space Science - Astronomy and Space Science on ScienceMaster.com

• History of Astronomy - Information and several thousand links on all aspects of history of astronomy and related fields: observatories, people, items, archives and libraries, museums and exhibitions, publications, research, meetings, societies, historians

• World of Astronomy

• Archaeoastronomy at Stonehenge

• National Radio Astronomy Observatory - The National Radio Astronomy Observatory (NRAO) is a research facility of the U.S. National Science Foundation. We provide state-of-the-art radio telescope facilities for use by the scientific community

• The Constellations - Constellations, Visual Binaries, Orbits

• Astronomy Resources - Indexes and Gateways to Astronomical Sources on the Internet

• American Association of Variable Star Observers - Professional and Amateur collection, and research of variable star observations

• Telescopes - You may have had a passing interest in astronomy for years. This site about Telescopes

• Meta Research  - Astronomy Research - Meta Research researches promising but unpopular alternative ideas in astronomy. Ex: speed of gravity, exploded planet hypothesis; life on Mars

• American Astronomical Society

• Astronet

• The Astronomer Online - We produce a magazine for the advanced amateur and our aim is to publish all observations of astronomical interest as soon as possible after they are made.

• The Constellations and their Stars

• Expanding Universe

• Astronomy Course for Students Using the Internet - What follows is a course on astronomy using the Internet. It is adaptable to most age and interest levels. Each of the units in the course are listed below in the Table of Contents, and each unit has its own separate "page."

• Astronomy Links - The source for the best astronomy and space related links from around the world including astrophotography, telescope making, software, space flight, astronauts and much more

• Absolute Astronomy - General facts and statistical information about planets, moons, constellations, stars, galaxies, and Messier objects

• Center for Astrophysics & Space Sciences - An introductory tutorial in Astronomy with links to sites for public information and astronomy/science education

• ICSTARS Astronomy - ICStars is an astronomy vortal site with feature articles, news, events, guides and more for the astronomy aficionado

• AstroTips - Astronomy Freeware and Shareware - Selection of the Best Free Astronomy Software. Programs organized by categories: planetariums, ephemeris, cartography, pedagogical, photo and CCD, satellite tracking etc... Read a comment, see a screenshot and download.

• Arty Astronaut - kids astronomy - Travel on a learning quest through our solar system. Learn about all nine planets. A kid's astronomy site with animations, activities, and games for the future astronomer and astronaut

• Basic Astronomy - Basic info on astronomy, pictures of solar and lunar eclipses and other space information ,asteroids, comets, planets, stars, moons, galaxies, etc, a great place to learn Basic Astronomy

• Astronomy Victoria - Astronomy Victoria - AstroVic is a Victoria based website for amateur astronomy, covering news and events around the globe like astronomy news, astronomy articles for Astronomy Australia

• General Information About Telescopes and Observing

• Science Explainer's Astronomy Page - Learn astronomy from an experienced science teacher. Monthly sky charts, phases of moon, planets, etc

• Astronomie - Four educational trips to the universe.

• Astronomy On-line

• Sky & Telescope - Sky and Telescope, the Essential Magazine of Astronomy. News, observing tips, how-to advice, and more

• astro!info - Astronomical Information in Cyberspace

• StarChild - A Learning Center for Young Astronomers

• Astronomy Picture of the Day

• Structure & Evolution of the Universe

• Structure & Evolution of the Universe

• LIVESKY.COM - Astronomy links and Search Engine

• Mount Wilson Observatory

• Catching the Light - This is a web site of Astrophotography, deep-sky astronomical photographs, tips and techniques for astrophotography, and digital enhancement of astrophotos in Photoshop.

• The Maya Astronomy Page

• Pisgah Astronomical Research Institute - The Pisgah Astronomical Research Institute is a not-for-profit public foundation dedicated to providing research and educational access to radio and optical astronomy for a broad cross-section of users

• Journey into the Heavens

• Astronomy for Kids - Astronomy for Kids is an astronomy site designed with kids in mind, as well as their parents

• The Astronomy Students' Association

• Astronomy.com - This dynamic site includes news, feature stories, observing tips, an image gallery, educational resources for parents and teachers, a kids' corner, a getting started section, and an astronomy mall

• Your Sky - Your Sky provides three ways to view the sky with links, where appropriate, among the various presentations

• Astropro's Website of the Week 2001 Archive - An archive of astrologer Richard Nolle's weekly selection of notable astrological (and related) websites, distinguished for exceptional content and implementation

• Stellar Clusters - Complete description of Stellar Clusters, for the newbie or the expert alike. Includes history, images, what we can learn from them and links to other very useful pages

• Astronomy Today - Here at Astronomy Today you'll find lots of articles on astronomy, cosmology, space exploration plus regularly updated space news and a monthly sky guide

• Astronomy Magazine

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