Latest / Planetary Radio: Space Exploration, Astronomy and Science
Mars Exploration Rover Project Manager John Callas
John Callas reports on Spirit and Opportunity, Bill Nye debates the future of humans on the Moon, and Bruce Betts looks to the Perseid meteor shower in his What's Up review of the night sky.Learn more about your ad choices. Visit megaphone.fm/adchoices
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The skinny
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