Asteroids, Meteors, Comets… and the End of the World?

Turns out the sky IS falling. SUBSCRIBE! Tweet this video ⇒ Share on FB ⇒ ↓ More info and sources below ↓ A giant asteroid took out the dinosaurs 66 million years ago. Could a big meteor hit Earth again? And if we find one coming our way, how can we use science to avoid a deadly asteroid or meteorite impact? Want to wear your love for science? We’ve got merch: References/Learn More: Impact Earth! Simulator: