Auditory, Textual, Visual
Stream, Download and Share
This video segment from IdahoPTV's D4K describes the sun, the center of the solar system, and the planets and asteroid belt of the solar system. It explains why earth is in a favorable spot for life, and the importance of gravity in keeping planets in their orbits. Learn how the planets are alike and different.
Visit the D4K companion Web site to learn more about Planets: D4K: “Planets"
© 2015 PBS & WGBH Educational Foundation. All rights reserved.