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Planetary Radio

Planetary Radio

Each week, Planetary Radio visits with a scientist, engineer, project manager, astronaut, advocate or writer who provides a unique and exciting perspective on the exploration of our solar system and beyond. We also showcase regular features that raise your space IQ while they put a smile on your face.  Host Mat Kaplan is joined by Planetary Society colleagues Bill Nye the Science Guy, Bruce Betts, and Emily Lakdawalla. We hit the road now and then to produce a Planetary Radio Live show in front of an audience.  Drop us a line or enter the weekly space trivia contest at planetaryradio@planetary.org.

Please support your local public radio station that airs the show! Check the station's online schedule or review our online list of affiliates. Satellite radio listeners can hear us Sunday evenings on the Sirius XM Public Radio channel.  Want to hear Planetary Radio on your local station? Ask them to contact us or review our radio affiliate information page.

iTunes and other podcast aggregators like Stitcher make it easy to listen and subscribe. Just search for "Planetary Radio." or click the links below.

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Recent Shows

Planetary Radio Extra: Shining a Million Watt Flashlight on an Asteroid

06/28/2016 | 19:35

Guests

  • Adam Greenberg, Graduate Student, UCLA Department of Physics and Astronomy, Division of Physical Sciences

PlanRad’s celebration of Asteroid Day (June 30th) continues as we call UCLA grad student Adam Greenberg at the Arecibo Observatory in Puerto Rico.

More Info & Listen »

Countdown to Jupiter

06/28/2016 | 40:14

Guests

Juno will enter Jupiter orbit on July 4th. Mat Kaplan talks with the mission’s Principal Investigator, Scott Bolton at the Jet Propulsion Laboratory. Bill Nye helps prepare us for this exciting encounter and the science that will follow.

More Info & Listen »

OSIRIS REx: Ready for a Voyage to Bennu

06/21/2016 | 34:17

Guests

  • Dante Lauretta, OSIRIS-REx Principal Investigator, University of Arizona

OSIRIS-REx will launch toward Near Earth Asteroid Bennu soon. In an early celebration of Asteroid Day, mission leader Dante Lauretta tells us how learning about asteroids may teach us about our own origins, and help us avoid a cataclysmic impact.

More Info & Listen »

JunoCam, The People’s Jupiter Camera

06/14/2016 | 31:46

Guests

The Juno spacecraft will enter orbit at Jupiter on July 4th. It carries a camera that will send back spectacular images from just above the swirling clouds of that mighty planet. Planetary scientist Candy Hansen will tell us how we can help decide what it will view.

More Info & Listen »

Chris McKay, Larry Niven and Andy Weir at the Contact Conference

06/07/2016 | 32:32

Guests

Space art and science fiction joined science fact at the 2016 Contact Conference in Sunnyvale, California. We talk with three well-known visionaries.

More Info & Listen »

Space Policy Edition #1-How We Got Here: Human Spaceflight at the End of the Obama Era

06/03/2016 | 1:08:00

Guests

In the premiere of this new monthly series we briefly examine the latest move by the House of Representatives in the game of NASA's budget and then discuss what Lockheed Martin's new "Mars Base Camp" proposal takes from The Society's Humans Orbiting Mars workshop. Our featured discussion takes a deep dive into the story of President Obama's impact on human spaceflight--how NASA ended up with a mixed program of commercial systems and big government programs.

More Info & Listen »

Getting Humans to Mars

05/31/2016 | 56:31

Guests

  • Stephen Jurczyk, Associate Administrator of the Space Technology Mission Directorate, NASA
  • Jim Free, Deputy Director of the Human Exploration and Operations Mission Directorate, NASA
  • Rick Davis, Assistant Director for Science and Exploration, NASA’s Science Mission Directorate

Three NASA leaders talk with host Mat Kaplan about the progress we're making toward leaving footprints on the Red Planet.

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A Big Test for LightSail 2

05/24/2016 | 29:57

Guests

  • Bruce Betts, Director of Science and Technology, The Planetary Society
  • Jason Davis, Digital Editor, The Planetary Society

The Planetary Society’s solar sail spacecraft was in the middle of a critical test as we spoke with the Society’s Bruce Betts and Jason Davis.

More Info & Listen »

NASA’s Science Leader John Grunsfeld

05/17/2016 | 28:50

Guests

  • John Grunsfeld, Associate Administrator for the Science Mission Directorate, NASA

John Grunsfeld closes our coverage of the Space Foundation’s 32nd annual Space Symposium in Colorado Springs. We also meet the leaders of the New Generation Space Leaders Program.

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Dream Chaser: The Return of the Spaceplane

05/10/2016 | 28:50

Guests

  • Mark Sirangelo, Corporate Vice President, Sierra Nevada Corporation's Space Systems

We’re back at Space Symposium for a conversation with SNC’s Mark Sirangelo, leader of that company’s effort to build the Dream Chaser. We’ll also hear a few moments of Bill Nye’s session at the annual gathering as he hosted Bernard Foing and Amy Mainzer.

More Info & Listen »

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