Newton's laws of motion and universal gravitation are shown to apply in the heavens and on earth, and we see how these laws led to the discovery of the planet Neptune. Part of the "Understanding Space and Time" series.
University of California Extension Ctr. for Media & Independent Learning, 2000 Center St., 4th Fl., Berkeley, CA 94704, Phone: (510)642-0460, Fax: (510)643-9271, Email: email@example.com
Running time 28 minutes.
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