History Channel - The Universe Season 2 (2008) Part 12 Cosmic Collisions

In this epic documentary series, THE UNIVERSE SEASON TWO takes you to the leading edge of our ever-expanding astronomical knowledge. A virtual collision of astronomy and history, these dense, enlightening episodes of unprecedented programming give unique insight - through recreations and animations - on the great “Eureka!” moments of celestial understanding and into the very latest discoveries. This insightful series gives serious, constructive consideration to the great human questions: Are we alone? Is Planet Earth as insignificant to the Cosmos as a drop of water? Is there anywhere else out there that that can support life? Or, is there truly no place like home? In the second boundless season of THE UNIVERSE, THE HISTORY CHANNEL takes you far beyond the comfort of our own solar system to discover the wonders of Deep Space. Venturing light-years from Earth, these programs guide you to the most fascinating phenomena and stunning events known to science. Experience the Cosmos as no-one ever has - not peering at dots through a telescope or scanning pages of numbers - but firsthand. Strikingly realistic computer reconstructions give you a front-row seat at the hottest events in THE UNIVERSE, from colliding celestial bodies to collapsing suns, from distant, possibly viable planets to mysteries that defy explanation. It's not infinite, but it sure is close. It's THE UNIVERSE! Part 12: Cosmic Collisions

“Cosmic Collisions” March 4, 2008

It's been said that our universe is a cosmic shooting gallery. Gravity is moving everything around and things are bound to collide. Astronomers are attempting to understand how these collisions occur in the dark recesses of space. Learn about collisional families, which are clusters of comets and asteroids; planetary collisions; mass extinction impacts involving asteroids and comets; stars collisions; and galaxy cluster collisions. Cutting-edge computer graphics are used to bring this series down to earth as the heavens yield their greatest secrets

The Universe TV Series (Wikipedia)