- NASA
- University of Texas, Dept. of Astronomy
- Austin Astronomical Society
- The Planetary Society
- Bad Astronomy
- Astronomy Picture of the Day
- Seti At Home
- Astronomy 161
- Sky & Telescope
The NASA website has an enormous amount of information on astronomical topics. This is a good starting place for any search. It also has links to other sites that are reliable.
The University of Texas Department of Astronomy and McDonald Observatory sponsor several public outreach programs. Links to these are on this webpage. The Astronomy Department hosts three weekly viewing nights for the public while UT is in session. That information is also on this site.
The Austin Astronomical Society is a local group of astronomers who hold star parties and other activities. See their website for more information.
Primarily about the Solar System, this site has a variety of links to other astronomy sites that go beyond our planets and out into the universe.
In this case, Bad Astronomy means astronomy myths, misconceptions and misinformation in movies, TV, books, and the news. Phil Plait also includes links to other interesting sites.
This site features an “astronomy picture of the day”, with information about the subject of the picture. You can look up previous pictures and other information here as well.
This site tells how to let your computer help analyze data that may contain signals from extraterrestrial intelligence. It also has discussions and articles on the subject for further reference. Several competing groups are trying to analyze the most data. Check it out!
This is a useful site for explanations of Kepler’s Laws and other astronomical topics. It also has some links to animations of a variety of topics.
Information about observing, including guides to telescopes and photography is the primary focus here. An interactive sky chart gives a customized sky chart for any location on Earth, on any date, at any time.