AaS! 219: What's the Best Way to Defend Our Planet‪?‬ Ask a Spaceman!

How do we track dangerous asteroids? What can impacts do to us? What do we plan to do if The Big One is headed for us? Is Armageddon a documentary? I discuss these questions and more in today’s Ask a Spaceman!
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Thanks to Cathy Rinella for editing.
Hosted by Paul M. Sutter.