Learn about asteroids in our solar system. Discusses where you will find the asteroid belt and what it is. Vocabulary words linked to a glossary of terms and a printable version are available.

A breakdown of one of the largest asteroids in the solar system, Vesta is featured through data, images, and animation. This asteroid is found in the asteroid belt between Jupiter and Mars.

Our solar system is filled with a wide assortment of celestial bodies - the Sun itself, our eight planets, dwarf planets, and asteroids - and on Earth, life itself! The inner solar system is occasionally visited by comets that loop in...

Discover information about parts of the Solar System, along with definitions just by clicking on highlighted vocabulary terms. Be sure to try the "Solar System Activities" to review the material from these pages.

Here is a clear, simple picture of the solar system. Click on the names of the planets to learn more about each. Clicking on underlined terms takes you to more and more detailed scientific information.

A detailed overview of the history, mythology, and current scientific knowledge of each of the planets and moons in the solar system.

Take a journey through the solar system with this interactive guide. Includes planetary history, "travel information," "tourist highlights," and video clips. Games and quizzes include a Solar System jigsaw that prompts the student to...

StarChild from NASA defines and describes the Solar System in a simple and easy-to-understand manner. The website is broken down into two versions for the student, grade school and junior high.

This is the home page of NASA's Pioneer Project. Content includes a general overview of the probes' missions, news, and history.

Amazing Science looks at the Solar System with this FAQ site and lesson plan.