How the Earth Was Made

A series examining geological features and phenomena, and the processes that formed their creation.

Season 1, Episode 10 Asteroids

First Aired: April 21, 2009

A study of the quest of geologists to find evidence of asteroid impacts on Earth. Locations include Meteor Crater near Flagstaff, Ariz., and sites in Canada and South Africa. Also: a theory suggesting that an asteroid decimated some early civilizations.