Inside NASA’s Planetary Defense Office

Inside NASA’s Planetary Defense Office

Inside NASA’s Planetary Defense Office 150 150 Asteroid Day

There are thousands of asteroids and comets that orbit the sun, traveling in the same cosmic neighborhood as the Earth. But what happens if one of these space rocks gets too close for comfort? NASA’s Planetary Defense Officer Lindley Johnson and Near Earth Object Observation Program Manager Kelly Fast map out what celestial objects the team is keeping an eye on, and ideas for deflecting and keeping asteroids at bay.