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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

The Pale Red Dot: A Planet Called Proxima b

08/30/2016 | 35:32

Guests

  • Michael Endl, Research Scientist and Lecturer, McDonald Observatory, University of Texas at Austin

The announcement was made just days ago. Co-discoverer Michael Endl tells us about the discovery of a roughly Earth-mass planet orbiting in the habitable zone of the closest star to our own.

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.

More Info & Listen »

A Death Valley Conversation About Life, The Universe and Everything With Tyler Nordgren and Jill Tarter

04/26/2016 | 1:11:38

Guests

Beautiful Death Valley National Park was the setting for a fascinating conversation with famed SETI researcher Jill Tarter and celebrated astronomer, artist and photographer Tyler Nordgren.

More Info & Listen »

Michel Mayor, Discoverer of the First Extrasolar World

04/05/2016 | 39:41

Guests

Michel Mayor and his team rocked the astronomy world with their 1995 announcement, but this modest man says it was a discovery whose time had come.

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Civilizations Among the Clustered Stars?

01/26/2016 | 41:48

Guests

New research indicates that globular clusters—collections of up to a million stars—could provide stable environments for life, along with opportunities for interstellar civilizations. Lead author Rosanne Di Stefano joins us to explain.

More Info & Listen »

Planetary Radio Extra: Planetary Society Experts 2015 Review

01/05/2016 | 61:40

Guests

  • Bruce Betts, Director of Science and Technology, The Planetary Society
  • Jason Davis, Journalist and Digital Editor, The Planetary Society
  • Casey Dreier, Director of Space Policy, The Planetary Society
  • Emily Lakdawalla, Senior Editor and Planetary Evangelist, The Planetary Society

Bruce Betts, Jason Davis, Casey Dreier and Emily Lakdawalla gather with Mat Kaplan for a fascinating and informative Planetary Radio Extra year-in-review roundtable discussion.

More Info & Listen »

A Tiny Explorer Called Twinkle

12/01/2015 | 28:50

Guests

A small but talented UK team is building Twinkle, a small spacecraft with a big mission—exploring the atmospheres of planets orbiting other stars.

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Imaging Hot Young Jupiters

10/06/2015 | 28:50

Guests

Franck Marchis is on the team that has delivered an actual image of a young, hot world about 100 light years from Earth. We talk with him on the 20th anniversary of the first exoplanet discovery.

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A Small, Distant World: Kepler 138b

07/14/2015 | 28:50

Guests

SETI Institute scientist Jason Rowe returns to tell us about the smallest exoplanet so far that has had its size and mass determined. Jason also talks with Mat about our ever-expanding knowledge of these worlds that circle faraway stars.

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A Recipe for a Small Planet

01/20/2015 | 28:50

Guests

Astronomer and planetary scientist Courtney Dressing is the lead author of research that may have found the formula for the mass and composition of Earth-like planets. She reveals the ingredients and why she spent time at JPL while in high school.

More Info & Listen »

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