Defending Earth From Asteroids
Air Date: 03/15/2004
Run Time: 0:28:36
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- Alan Harris, one of many scientists working to protect our little planet from Near Earth Objects
Topics:Support Planetary Radio
Alan Harris is one of many scientists working to protect our little planet from the kind of rock that may have knocked off the dinosaurs. Hear his thoughts on this week's show. Emily Lakdawalla returns to Q and A, and Bruce Betts gets an unexpected lesson on Shakespeare in What's Up!
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