Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jul 21, 2014
It's one of the most ambitious space explorations ever. In 2016, NASA will launch an unmanned mission to a near Earth asteroid, and return to Earth with a little piece of it seven years later. And the entire mission is being run out of a lab at the University of Arizona in Tucson. As the project's lead scientist explains, it all comes down to the most important five seconds of his life.