Astronomy Links

Although there are many good astronomy links, the purpose of this page is to list a couple dozen great websites that have information on many different areas of astronomy or space science. We tried to avoid listing sites that contain a lot of detail about one specific topic only. If you don't see something that looks helpful here, try choosing a subject from the site menu and looking at the websites listed there!

General Astronomy Sites:

  • Amazing Space: Games and activities relating to a wide variety of astronomy subjects. This site was designed for classrooms, but the activities can be used by anyone.
  • Astronomy Picture of the Day (from NASA): A new astronomy picture with a description every day.
  • Bad Astronomy: This site has examples and explanations of bad astronomy use by the media. It also has a large section about the "lunar landing hoax."
  • CASCA Education Website: The Canadian Astronomical Society's Education Website. Lots of great information for kids and educators!
  • Cosmophobia (no longer active): Dedicated to debunking end-of-the-world rumors and other claims that may give people "an unreasoning fear of the cosmos". Unforunately, this site is no longer active, but here is an archive of their page explaining that Nibiru is a hoax. Also, here are some lectures by scientists debunking end-of-the-world rumors.
  • Google Astronomy Directory (archived from the original in 2010): List of astronomy links; part of the Open Directory Project to create an human edited directory for the web.
  • Heavens Above: Look here to find when satellites, the Space Station, and the Space Shuttle will be visible from your location. Sky and constellation maps are available.
  • Imagine the Universe: This site has astronomy news, feature articles and projects aimed at high school students and above.
  • National Aeronautics and Space Administration (NASA): Find links to NASA missions and human spaceflight.
  • NASA Kids Website: Astronomy information and activities for kids (and adults!).
  • Nine Planets Solar System Tour: Descriptions and basic information about the planets, asteroids, and comets in our solar system.
  • SEDS: Students for the Exploration and Development of Space. A general site which trys to educate on the benefits of space. They host a lot of good educational resources including the Nine Planets and the Messier Deep Sky Catalog.
  • Science@Nasa: The latest news on NASA science and technology. There's a link to a mirror site in Spanish.
  • Sky and Telescope: Look here for hints on getting started in amateur astronomy; for example, buying and using telescopes. You can also look at star charts and read about what's currently visible in the sky.
  • Sky View. An on-line virtual observatory with a special non-astronomer interface. View pictures of objects in the night sky in many wavelengths.
  • Space.com: This site has current news about spaceflight and astronomy research.
  • Space Weather: This web site monitors solar activity and aurorae, and it has information about currently visible comets and asteroids.
  • Star Awards: "The Griffith Observatory Star Awards were established to recognize excellence in web sites that promote public awareness of astronomy. These are the best astronomy sites on the World Wide Web, and they present useful, thorough, and accurate information in a well-organized and attractive way, making the sky more accessible."
  • StarChild: This site is aimed at grade school students and has multimedia features on many aspects of astronomy.

Other Ask an Astronomer Sites: