Explore Worlds
Find Life
Defend Earth
Bill Ailor
Aerospace Fellow and former Director of the Aerospace Corporation's Center for Orbital and Reentry Debris Studies
Latest Planetary Radio Appearances
A Space Station Crashes to Earth
By the time you hear this week’s episode, China’s Tiangong-1 may have spectacularly re-entered our planet’s atmosphere, raining metal on an unpredictable location.
Saving Earth: Asteroid Emergency Tabletop Exercise at the 2013 PDC
The last installment of our Planetary Defense Conference coverage makes a deep impact as hundreds of attendees participate in an asteroid mitigation exercise. You’ll hear from astronauts Ed Lu and Rusty Schweikart, Near Earth Object expert Don Yeomans, Cathy Plesko of the Los Alamos National Laboratory and many more.
Space Debris Can Ruin Your Day
Space Debris Can Ruin Your Day