Host Emily Calandrelli speaks to experts who are learning everything they can about asteroids and their potential impact on earth. From the dinosaur killer to the Chelyabinsk meteor of 2013 - we learn about the destructive power of asteroids. Emily takes a trip to the Ames Vertical Gun Range for an experiment that predicts impact size on the moon and the Earth. Emily also travels to Seattle Washington to meet a company that has a plan to profit from the valuable material hidden in these rocky bodies.

Originally released by Rotfeld Productions, 2015. Streaming video file encoded with permission for digital streaming by Infobase on July 17, 2015.

Asteroids: Introduction (0:34); --Near-Earth Asteroids (3:22); -- Chelyabinsk, Russia (1:27); -- Asteroid Tracking (4:37); -- Ames Research Center (4:52); -- Asteroid Resources (3:06); -- Asteroid Mining (2:41); -- Planetary Resources Investors (1:27); .