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Planetary Radio

Planetary Radio Program Archives

For every week 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. We also showcase regular features that raise your space IQ while they put a smile on your face.

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Latest Planetary Radio Appearance

Could the Soviet Union Have Won the Space Race?

08/23/2016 | 46:49
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Space historian and policy expert John Logsdon joins Mat Kaplan for a fascinating conversation about how the US could have lost the race to the moon.

Sailing the Canyons of Titan

08/16/2016 | 38:39
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Steep canyons on Saturn's moon Titan are filled with liquid methane. That's the discovery just announced by an international team of Cassini scientists, including Alex Hayes.

Subcontractors: Making Space Happen

08/09/2016 | 28:50
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You may never hear their names, but there are thousands of small to medium-sized companies without which space exploration and development wouldn’t happen.

Space Policy Edition #3: Plutonium-238, Europa via SLS, Cost of the Next Mars Rover Rises

08/05/2016 | 1:03:06
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In our third episode, we debate the risks and rewards of tying the future of a Europa mission to the fate of NASA's massive Space Launch System rocket. Also, NASA just announced that the next Mars rover will cost $2.4 billion—$900 million more than initially thought. But the mission is not considered over budget. Why not? Lastly, the U.S. just generated 50 grams of Plutonium-238, the largest amount in nearly thirty years. We celebrate the successful effort to create this critically important, though highly toxic, power source for deep space spacecraft.

Interstellar Dreams Turn Real

08/02/2016 | 1:26:01
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Philip Lubin and his former student Travis Brashears have had quite a year. Their bold plan to send tiny probes to nearby stars is now supported by NASA and the Breakthrough Starshot $100 million dollar initiative. Hear their amazing story.

Anatomy of a Rover—Getting Down to Mars

07/26/2016 | 36:40
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It takes a lot of terrific components to create a successful spacecraft like Curiosity, the Mars Science Laboratory. We’ll visit JPL to learn about the Terminal Descent Sensor radar that will once again help land a rover on the Red Planet.

The Eagle Has Landed: Remembering Neil Armstrong

07/19/2016 | 28:50
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We celebrate the 47th anniversary of the first moon landing with the reprise of a conversation with author and NBC space reporter Jay Barbree about his trusted friend Neil Armstrong.

Juno Reaches Jupiter!

07/12/2016 | 48:25
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Return with us to the evening of July 4, 2016 and the exciting arrival at Jupiter of the Juno orbiter. You’ll hear the moment of successful orbital insertion. Several of the mission’s key contributors reveal how Juno accomplished this feat, along with what they hope the spacecraft will tell us about the giant planet.

Fighting for Space: Former NASA Deputy Administrator Lori Garver

07/05/2016 | 38:08
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She has spent most of her life working toward a bright future for humanity in space, and Lori Garver has lost none of her passion. She visited the Planetary Society for a wide-ranging conversation with Mat Kaplan.

Space Policy Edition #2: Why Juno? Why Jupiter? Why Now?

07/01/2016 | 1:09:14
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This month Jason Callahan, Casey Dreier and Mat Kaplan ask whether the Moon vs. Mars human destination debate makes sense, highlight a new report on the science potential of CubeSats by the National Academies, and explain how a thrilling planetary science mission like Juno gets a thumbs up from NASA.

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