Authority Websites
 + 
  + Astronomy

John Mckay's Astronomy Website - Radio telescope project with diagram and graphs.
Absolute Astronomy - Facts and statistical information about planets, moons, constellations, stars, galaxies, and Messier objects.
National Radio Astronomy Observatory - Current events, public outreach, very large array, VLA expansion project, and very long baseline array.
Caltech Astronomy -
Astronomy Mall - List of participating companies offering astronomy products.
Astronomy Magazine - Intro to Astronomy - Provides information on astronomy for kids, observing, buying and using telescopes, accessories, and photography.
Astronomy Net - Resources, searchable forums and searchable lists of organizations providing astronomy services.
Astronomy In Your Hands - Locating and observing a selection of targets through planning and preparation, required items, and background knowledge,
Astronomy Online - Gives overview of the solar system, the Milky Way galaxy, extrasolar planets, cosmology and astrophotography. Includes images, additional resources, and forums.
Astronomy Today - Information and articles on astronomy, space and related topics. Also features a friendly forum and a telescope buyer's FAQ page.
Radio Astronomy - How to start, audio and sound files, projects, and basic equipment information.
Amateur SETI - Project BAMBI - Design, construction, and initial observational results of a 4-GHz amateur radio telescope with circuit board layouts, software, and schematics.
Big Ear Radio Observatory - No longer in operation, and includes a beginner's guide, facility and equipment information, press releases, and slide shows.
Binocular Astronomy Notebook - Personal account of binocular observations, includes simple finder charts with notes assessing the significance of the objects observed, and links.
Gene Smith's Brief History of Astronomy - Covers the development of this ancient science from days of Stonehenge (3100 BC) to the discovery of Pulsars (1968 AD). Includes related resource links.
Cosmobrain Astronomy Books - Online astronomical bookstore including over 500 selected titles divided by subject. Worldwide shipping. Safe shopping guarantee.
An Astronomy Course for Students Using the Internet - A course on astronomy designed for middle to high school students, but adaptable to most ages and interest levels.
SCSU Radio Astronomy - Reports progress on their small-dish projects with resource links.
Astronomy for Kids - Offers a journey through the stars in an attempt to explore the universe. Includes facts about the planets, puzzles, sky facts and maps.
Earth and Sky - International science radio program. Includes a nightly star chart, sky watching tips, podcast, and audio and written articles about a variety of scientific topics.
The European Radio Astronomy Club - Observations, workshop, groups, telescopes and images, and radar links.
Handbook of Binocular Astronomy - A guide to deep-sky objects visible with binoculars including every constellation.
The World Of Astronomy - Contains information on the universe, stars, galaxies, and supernovas.
Astronomy for Kids - Basic introduction to astronomy for kids K-6 grade.
Full-moons.com - Trying to find a website related to full moons? Full-moons.com provides the most definitive sites with a great variety on full moons. Other than advice on full moons we also offer the best sites for reference, traffic and blues brothers. Full-moons.com has the best sites on full moons on the Internet. Click on the websites concerning full moons following.
Astronomy Facts and Trivia - Fun facts and trivia relating to astronomy, space, science fiction movies. Most trivia items are submitted by users.
Common Teasers in Astronomy - Contains a few brain teasers such as what keeps a satellite in orbit to why meteors burn up in the atmosphere and space shuttles and rockets don't.
The Astrogirl Homepage - Devoted to amateur astronomy. Find information on planets, current sky events, astrophotography, and beginner's tips.
A Practical Guide to Astronomy - This electronic encyclopedia is a great resource for the both the beginner and the experienced backyard astronomer. Full of facts and photos.
Astronomy Forum - Message board.