Walk the Solar System -- JavaScript calculator of sizes & distances of solar system bodies for making a scale model. Visit

Journey through the Galaxy -- Explore our solar system, stars, extra-solar planets, the theories about the past & future of the universe, and human exploration of space. Visit

Association for Astronomy Education (AAE) -- An affiliate of the National Science Teachers Association. Visit

Windows to the Universe -- An extensive astronomical learning system. Articles available at three levels: beginner, intermediate, advanced. Visit

The National Schools Observatory -- Offers access to professional telescopes worldwide for observations made by school children & teachers. Visit

Universe in the Classroom -- A free quarterly educational newsletter published by the ASP for teachers, youth group leaders, librarians, and anybody else who wants to help children of all ages learn more about the wonders of the universe. It is available either in printed form or electronically here on our website. Visit

International Research School of Planetary Sciences -- Non-profit organization devoted to research & post-graduate education. Visit

Chris Matzner's List of Resources -- Helpful links for graduate & undergraduate astronomy students. Clear? Includes software information, literature topics, statistical data analysis, and presentation tips. Visit

The History of Gamma-ray Astronomy -- Describes a bit of theory & plenty of actual examples of gamma rays being produced & detected. Visit

SAAS-FEE -- Yearly courses for post-graduate students that are offered by the Swiss Society of Astrophysics & Astronomy. Page includes course topic, list of professors & venues. Visit

Spanish Language Astronomy Materials Education Center -- Recommended materials sorted by type & by grade level (including college & instructor level). Visit