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Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our Solar System and beyond. The full show archive is available for free.
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Celebrate the Mars Rovers With Jim Bell
Jim Bell and Bill Nye talk Spirit and Opportunity in celebration of 5 years on Mars. Emily Lakdawalla's Q&A looks forward to a Mars flyby by the Dawn spacecraft.