Major Earth Impact Event (3:00)
Asteroids and Comets: Sources of Life (2:52)
In Search of Asteroids (2:15)
Asteroids: Threat to Earth (4:52)
How to Stop Armageddon: Mitigation (2:53)
How to Stop Armageddon: Deflection (5:22)
Tactics to Avoid Armageddon (7:51)
Stopping Armageddon: Who Makes the Decision? (6:31)
Credits: Stopping Armageddon (0:35).
