Visitor
Measuring the Universe 4.0 from 0 reviews
view all

By knowing a star's real brightness and how bright it appears to be, astronomers calculate its distance.

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 Running time 11 minutes.

Cast and Crew

Genres
Astronomy
Producer
Davidson

Visitor Reviews

There haven't been any movie reviews written yet. Be the first to write a review!