Exploration of the Earth's Magnetosphere
A non-mathematical overview of research of the magnetic environment of Earth in space, in about 70 units. Illustrated, with Spanish translation, glossary, timeline, Q&A from users, teacher guide, history article and more. It follows a historical thread, stresses intuitive understanding and includes topics of modern physics needed for understanding the subject. High-school to undergraduate level.

Windows to the Universe

Welcome to Windows to the Universe! Our purpose is to develop a fun and different Web site about the Earth and Space sciences. Windows to the Universe is graphics intensive!

Principles of Astronomy

This entire website, all 56 pages and 327 images, are available as a complete self-paced, self-learning astronomy course.

Astronomy

Astronomy is the science dealing with all the celestial objects in the universe, including the planets and their satellites (e.g. our Earth and the moon), comets and meteors, the stars (including our sun), and interstellar matter, the star systems known as galaxies, and clusters of galaxies.

Cosmology: The Universe

Scientific study of the universe, especially its large-scale structure, origin, and evolution.

Space Exploration

Space Exploration is the science and engineering of spacecraft and space probes used for investigation of physical conditions in space and in celestial bodies - e.g. stars, planets and their moons.

Remote Sensing Tutorial

A training manual for learning the role of space science and technology for using remote sensing to monitor planetary bodies and distant stars and galaxies.