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Our universe is a cosmic shooting gallery, gravity is moving everything around & things will collide. Astronomers are attempting to understand how collisions occur in space.
First Air Date : May 29, 2007
Last Air date : May 23, 2015
Episode : 88 Episode
Season : 9 Season
Runtime: 45:14 minutes
Country: United States of America
Cast: David Ackroyd, Erik Thompson
Crew: