The Free Link Directory

Facts and statistical information about planets, moons, constellations, stars, galaxies, and Messier objects

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

Computes 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

The use of multiple telescopes to produce high resolution imagescommonly used at most modern observatories. A literature review article

List of links for those, who want to examine theories that are on the fringe of accepted scientific thought that are related connected to astronomy. A few examples are astrology, UFOs, the "Face" on Mars, and ancient astronaut theory

Introductory article provided by Citizendium, a developing encyclopedia project

Explores the latest research in astronomy, with overviews of planets and deep-space issues, oberving tips for constellations and what can be seen in the sky tonight

General astronomy tutorial, education links, web courses, documents at the UCSD Center for Astrophysics and Space Sciences

Fun facts and trivia relating to astronomy, space, science fiction movies. Most trivia items are submitted by users

Index with graphics and illustrations about stars, the Solar System, cosmology and Galileo

Resources, searchable forums and searchable lists of organizations providing astronomy services

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

Information and articles on astronomy, space and related topics. Also features a friendly forum and a telescope buyers FAQ page

Astronomical internet resources from the National Radio Astronomy Observatory

Offers information on astronomy and space science including news, events, blogs, images, videos and links to other sites. It is written and compiled by experts

Provides introductory information about galaxies, the big bang, stars, the solar system, planets, asteroids, comets, astronomical events and astronomy related news

A web encyclopedia. Over 500 entries, ranging from definitions to full articles

All about infrared astronomy from NASAs infrared astronomy center: Discovery of infrared, what is infrared and infrared astronomy, history, the infrared universe, gallery, activities, discoveries, missions and a lot of links to IR astronomy sites

Show universe in terms of distance from Earth center. Includes such things as satellites, planets, stars, nebulae, and galaxies, out to cosmic microwave background radiation from the Big Bang

Multi Unit Spectroscopic Explorer. A second generation integral field spectrograph for the VLT. Proposed to European Southern Observatory (ESO) by the Centre de Recherche Astronomique de Lyon (CRAL)