Planetary scientist and veteran astronaut, Thomas Jones, discusses the threat to Earth from rogue asteroids and how we can use them as stepping stones to Mars.
Planetary scientist and veteran astronaut Thomas Jones describes threats to the Earth from rogue asteroids to how we can prevent a cosmic impact catastrophe. He explains how exploring these ancient objects can spark a growing space economy, turning asteroids into stepping-stones to Mars. Jones spent more than 11 years with NASA and flew on four space shuttle missions.