Learn the basics of the solar system, galaxies, sun, comets, and asteroids.

Contains a collection of hands-on astronomy activities for classroom and home. A feature is the downloadable star wheel with a version available for every latitude on Earth.

Comprehensive, annotated hub site of resources relating to navigating by the stars, including theory, practice, history, instruments, and classroom links.

Virtual museum and planetarium. Learn about cosmic evolution, from Big Bang to Humans.

Home of the popular international science radio program Earth and Sky.

HOU participants around the world request observations from an automated telescope, download images from a large image archive, and analyze them with the aid of user-friendly image processing software.

Resource site for astronomy in Indian schools

Recommended materials sorted by type and by grade level (including college and instructor level).

Home of Jack Horkheimer. The first and only weekly TV series on naked eye astronomy.

Offers access to professional telescopes worldwide for observations made by school children and teachers.

Features a guide to the solar system for visitors of all ages with a scale model, interactive quiz, text, and images.