In the heart of our solar system, there is evidence that is the largest in the history of the Earth’s asteroid attack. A mysterious cosmic-scale event caused millions of asteroids to descend and fall to Earth. No one knows why this happened. No one knows if this can happen again …

Episode Length: 00:50:00

Year: 2007

Episode: 2

This documentary is available to watch for FREE on Planet Knowledge, a free to watch video on demand channel on Freeview HD (Channel 265), Youview, Samsung connected TV’s, selected smart tv’s, tablets and smartphones using Android or iOS.