Other
World Wide Telescope
After downloading the WorldWide Telescope software, students can explore the universe with three-dimensional navigation and narrated guided tours of the sky. Users can also import their own tour to share with others. Site has educator...
British Library
British Library: International Dunhuang Project: Chinese Astronomy Resource
Using the early Dunhuang Star Atlas, an important historical and scientific document of the sky seen from China dating from before AD 700, learn about astronomical history from the perspective of China. Find resources and analysis that...
NASA
Nasa: Imagine the Universe: X Ray Binary Stars
Site provides a brief introduction to binary stars. Additional resources for students and teachers on this topic are offered as well as related topics.
Other
Stellarium: Planetarium
Bring a planetarium to your computer with this free open source software. Download the software to show the sky in 3D with the naked eye.
Other
Paper Plate Education: Serving the Universe on a Paper Plate
Excellent resource for "paper-plate" activities that help simplify various astronomy topics. Learn how to build a "Moon Finder" and "Planet Pointer," and create a paper-plate model that explains the Transit of Venus.