- Astronomy Picture of the Day Index or Today's Pic.
- The Nebraska simulations (in Flash).
- 2017 eclipse path visualization
- Sky Maps for observational astronomy. (no solar system objects)
- Animation and song about the elements.
- Stonehenge information and more Stonehenge information.
- Space Environment Center: Forecasts of solar storms, solar and geophysical "weather" information, sun images.
- Sunspot cycle graphs, sun images, sun movies. (Belgium's Solar Influence Data Center.)
- SEDS (Students for the Exploration and Development of Space) nine planets tour and more. A great astronomy site.
- Interactive Element Spectra Java applet that shows an approximation of the visual spectrum of every element in the periodic table.
- Solar System Simulator. Pick your planet, position, date, time, and field of view and the simulator will show what it's like to see the universe from your own special standpoint. GREAT!
- Aurora! The northern (and southern) lights.
- Earth from Space. Images of Earth taken from space.
- NASA Space Flight All about the International Space Station and all the other hardware.
- Asteroid and Comet Impacts. The real story on impacts, including the upcoming 1997XF11 near-miss in 2028.
- SpaceViews.Com. Space policy, launches, events, political developments.
- The Galileo Project: Historical information and resources by and about Galileo Galilei.
- Einstein. Bio, pictures, explanations of relativity.
- The home of the Hubble Space Telescope is the Space Telescope Science Institute.
- The meta-club of amateur astronomy clubs is the
- Astronomy Software.
- Magazines: Astronomy Magazine, Sky & Telescope Magazine, Astronomy Now Magazine (Great Britain)
- Griffith Observatory is located in Hollywood.
- A very nice site about constellations.
- Thinking of buying a star for a loved one? Avoid the scam! Read this!
- Images by David Malin, the premier astrophotographer.
- Messier Objects. CCD pictures of the famous list of 110 objects compiled by the French comet hunter Charles Messier. U. Oregon.
- Concise blog on light pollution issues, and IDA, the International Dark Sky Association.
- U. Mass Images
- Inner Planet Animation using Java: tiltable, with copious explanation. Nice, but it doesn't work with all browser/computer combinations.
- 3D red/blue images of star fields and constellations.
- Solar System Builder Applet. As a first cut, select "random" then hit "play." Explore from there - it's pretty neat.
- Another solar system builder
- Ground-based Observatories: The 90" Bok Telescope at Steward Observatory, Kitt Peak National Observatory, Cerro Tololo Inter-American Observatory, National Solar Observatory, Gemini North and South, Keck and Lick Observatories.
- Authoritative physical constants.
Useful YouTubes
- Time zones - NASA
- Time zones - Darron Gedge Note that the international date line was redrawn in 2011!
Bill! Bill! Bill!
Bill Nye The Science Guy, My Hero!