Cosmic Collisions July 3, 2009

Narrated by Robert Redford, 'Cosmic Collisions' takes visitors on a dazzling journey into deep space to explore cosmic collisions, hypersonic impacts that drive the dynamic and continuing evolution of the universe. Viewers will witness a number of spectacular collisions, including the creation of our Moon some five billion years ago. Audiences will feel the ground shake beneath them. Shows begin every half hour.