Eight interactive levels covering various aspects of the universe. [Commercial - Windows]

Interactive Java applets display the position, daily and annual path of the sun and the moon, for any time and location. [Online - not available for any PC platforms]

Provides laboratory exercises that illustrate modern astronomical techniques using digital data and color images. They are suitable for high-school and college classes at all levels. Each CLEA laboratory exercise includes a dedicated computer program, a student manual, and a technical guide for the instructor. [Freeware - Windows, Macintosh]

Interactive astronomy curriculum to help teachers inspire and engage astronomy and space science students across all levels of knowledge and ability.