Planetary Video • Events

Earthlings vs Asteroids: What's the Score?

This content is hosted by a third party (, which uses marketing cookies. Please accept marketing cookies to watch this video.

A special virtual event held on April 29, 2021, taking a look at the state of humanity’s planetary defense efforts.

How much do we know about the asteroids that are out there? And how prepared are we to prevent an impact? We’re bringing together some of the world’s foremost experts on planetary defense to find out.


Bruce Betts, Chief Scientist for The Planetary Society

Nancy Chabot, Coordination Lead for the Double Asteroid Redirection Test (DART), Johns Hopkins University Applied Physics Lab

Paul Chodas, Manager of the NASA Near-Earth Object Program Office

Gerhard Drolshagen, Chair of the Space Mission Planning Advisory Group, University of Oldenburg

Kelly Fast, Program Manager for the Near-Earth Object Observations Program in NASA's Planetary Defense Coordination Office

Masaki Fujimoto, Deputy Director General of JAXA's Institute of Space and Astronautical Science (ISAS)

Moderated by Mat Kaplan, host of Planetary Radio