Astronomy Internet Library
Here are a list of astronomy links around the Internet. If you're doing research, these links provided should be just the starting points.
General Astronomy News and Information
The perfect place to get a daily astronomy fix: Astronomy Picture of the Day (and here’s a mirror version of the site in the UK)
Discovery News – Space
SpaceWeather.com is a great place to find out about the Sun-Earth environment: flares, storms, etc.
JPL: Our local NASA center and the home of solar system exploration. See especially their sites on current spacecraft exploring Mars, Saturn, and a great Solar System Simulator to find where anything is in our solar system.
European Space Agency
Hubble Space Telescope’s Hubblesite
Spitzer Infrared Space Telescope
The International Space Station – the human presence in space
J-Track How to find what’s satellites are in the sky above you
Your textbook’s own Masteringastronomy
Another great place to work on the concepts in astronomy is the Nebraska Online Astronomy Animations
If you’d like to do some astronomy data analysis yourself, try taking part in one of the citizen science projects at Zooniverse, including Galaxy Zoo, Moon Zoo, Solar Stormwatch and Planet Hunters.
The regional centers for astronomy education are Griffith Observatory and the California Science Center. There's also a planetarium at Mt. SAC.