Ask an Astronomer
Scale models of the solar system
Astronomy: From the Earth to the Universe Website
Space Telescope Science Institute
Astronomy Picture of the Day
Web sites for instructors: Astronomical Society of the Pacific site
Powers of 10 in Java
Eric Weisstein's World of Astronomy
AstroWeb Astronomy on the Internet (links checked daily)
"Astroweb" Internet Resources
Scientific American magazine
Sky & Telescope magazine (S&T)
NASA "Imagine the Universe"
Students for Exploration & Development of Space (SEDS)
NCSA Astronomy Digital Image Library
Expanding Universe: A Classified Search Tool for Amateur Astronomy
Astronomy for Grownups and Kids
Astronomy Education Sites
International Astronomy Education Web Sites
International Astronomical Union (IAU)
American Astronomical Society: Working Group on Astronomy Education
Astronomical Society of the Pacific (ASP)
International Council of Associations for Science Education
UN Office for Basic Space Science
Web Resources for College Astronomy Teaching - Annotated listing including discussions of teaching techniques and resources.
General Astronomy, Including Archaeoastronomy
Astronomy Education Web Site of the American Astronomical Society
Powers of 10 Web Site
Wordwizz.com's Extension of Powers of 10
"Ballads for the Age of Science" songs
NASA Goddard's Science Visualization Studio
At the following address is an extensive list of music and songs, many of which have an astronomical connection. This site was originally designed to be a science fiction in music list, but there is, of course, an overlap with astronomical topics. Check it out. It's pretty amazing!
The Science Education Standards are available on line. The role of astronomy is minimized in them. The California Science Education Standards are also available on line. They are very controversal, with a group of scientists asking to collaborate and being rejected.
The High-Energy Astrophysics Learning Center has a site devoted to discussing questions about our universe and the things it contains.