National Geographic Channel: Naked Science: Killer Asteroid
Posted on: July 15, 2005 | Views: | Comment
Meteor Crater is nearly a mile across and nearly 500 feet deep. It wasn't formed by a volcano, oh no. It was a giant killer asteroid that slammed into the earth 50,000 years ago.
For more info go to www.nationalgeographic.com/channel
For more info go to www.nationalgeographic.com/channel
