Asteroid: Doomsday or Payday?
Season 40 Episode 24 | 53m 49s | Video has closed captioning.
The asteroid that exploded over Siberia—injuring more than 1,000 and damaging buildings in six cities—was a shocking reminder that Earth is a target in a cosmic shooting range. From the width of a football field to the size of a small city, these space rocks have the potential to be killers. In a collision with Earth, they could set off deadly blast waves, raging fires and colossal tidal waves.
Aired: 11/20/13
Expires: 08/18/21
