Link to The universe (T5): Asteroids attack documentary
Documentary Description
What are the latest discoveries in the deadly world of asteroids? Will a
recently returned Japanese spacecraft become the first to bring an
asteroid sample back to our planet? What would happen to America's East
Coast if the massive asteroid impact that helped form Chesapeake Bay 35
million years ago struck today? And why did President Barack Obama
choose an asteroid as the destination for the next great manned mission
into space? Learning about these huge space rocks isn't just about
science, it's about survival.