Interesting Astronomical Sites

• Astronomy Picture of the Day
• 100 Astronomical Questions 
• Amherst Night Sky
• Astronomy for Everyone - An extensive list of astronomical links
• Astronomy Magazine
• Sky and Telescope: Weekly News Bulletin
• Bad Astronomy - Points out and corrects bad astronomy in the news, on TV, etc. 
• Space Telescope Public Information
• SkyView - Virtual observatory at wavelengths in all regimes from radio to Gamma-ray
• Black Holes and Neutron Stars
• Images of Nebulae and Galaxies
• History of Women in Astronomy 
• Finding Planets around Other Stars
• Astrolink - An online astronomy resource center provided by the textbook publisher

Sites for Answers to Astronomy-related Questions:

• Ask the Astronomer - 3001 questions answered. For new questions see next link. 
• Ask the Space Scientist - 1601 questions answered. 
• Frequently Asked Questions for Astronomy 
• Frequently Asked Astronomy and Physics