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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

Ready for Space: LightSail 2 Update

03/22/2017 | 34:49

Guests

The Planetary Society’s LightSail 2 solar sail spacecraft is ready to be packed away for its ride to orbit on a SpaceX Falcon Heavy rocket. Mat Kaplan checks the mission’s status with team members.

More Info & Listen »

The Great American Eclipse—Be Part of It!

03/15/2017 | 36:27

Guests

It’s coming! Will you be in the path of totality? Astronomers Without Borders President Mike Simmons says be there if you can.

More Info & Listen »

The Worlds of TRAPPIST-1

03/01/2017 | 33:56

Guests

  • Sara Seager, Astrophysicist and Planetary Scientist, Massachusetts Institute of Technology

The discovery of seven, Earth-sized planets in a nearby solar system was announced last week. Astrophysicist and planetary scientist Sara Seager joins us to share her excitement about this find that includes three planets in the habitable zone.

More Info & Listen »

Nazis in Space? Rod Pyle’s Amazing Stories of the Space Age

02/15/2017 | 52:45

Guests

Rod Pyle reveals bizarre yet fascinating space projects of the past in his new book. Pyle also exposes previously classified information about missions and spacecraft you thought you knew.

More Info & Listen »

Earth Microbes! Welcome to Mars

02/07/2017 | 33:41

Guests

University of Arkansas grad student Rebecca Mickol and her team have demonstrated that some Earth bacteria can survive in the extremely thin atmosphere of Mars. Could Martian bacteria thrive under the same conditions?

More Info & Listen »

The Final Countdown at Saturn

01/31/2017 | 46:17

Guests

  • Linda Spilker, Cassini Project Scientist, Jet Propulsion Laboratory

Planetary Radio’s most frequent guest, Project Scientist Linda Spilker, returns with another update on the Cassini mission that is approaching its grand finale.

More Info & Listen »

Chief Scientist Ellen Stofan Leaves NASA

01/17/2017 | 50:22

Guests

For well over three years, planetary scientist Ellen Stofan has worked directly with NASA Administrator Charles Bolden to help coordinate and expand the myriad science efforts by the agency. We talk with her as she ends this remarkable tenure.

More Info & Listen »

Ben Miller Says The Aliens are Coming!

01/10/2017 | 1:13:11

Guests

  • Ben Miller, British comedian, actor, science communicator and author

We are joined by British physicist turned comedian and actor Ben Miller, author of The Aliens are Coming! The Extraordinary Science Behind our Search for Life in the Universe.

More Info & Listen »

A Little Rocket Company Shoots for the Moon

01/03/2017 | 57:33

Guests

CEO Randa Milliron introduces us to Interorbital Systems, which wants to put your payload in orbit for as little as $8,000. Can they do it?

More Info & Listen »

Marvelous Martian MAVEN

12/27/2016 | 38:32

Guests

  • Nick Schneider, Associate Professor, Department of Astrophysical and Planetary Sciences, University of Colorado

MAVEN, the Mars Atmosphere and Volatile Evolution orbiter, has gone a long way toward solving the mystery of the Red Planet’s missing water and air. The University of Colorado’s Nick Schneider says it is also revealing gorgeous clouds, auroras and glowing skies.

More Info & Listen »

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