Life in Our Universe
Impacts—Bringers of Death … or Life?
S1 • E5 May 5, 2012 29m
Delve into the Late Heavy Bombardment period that kept Earth stuck in a lifeless state for 650 million years, then watch an animation demonstrating the K-T impact event that wiped out the dinosaurs. Consider whether it's possible to protect ourselves from asteroids hurtling toward Earth—and why Hollywood gets it all wrong.