Measuring in Astronomy: How Big, How Far Movie Review 1969

Many distances are impossible to measure directly. Yet almost 2,000 years ago, a man named Eratosthenes was able to measure the size of the earth by using his knowledge of geometry.

Distribution

Phoenix Learning Group, 2349 Chaffee Dr., St. Louis, MO 63146, Phone: (314)569-0211, Toll-free: 800-221-1274, Fax: (314)569-2834, URL: http://www.phoenixlearninggroup.com

Available on VHS
Running time 12 minutes.

Cast and Crew

Genres

Astronomy

Producer

Davidson