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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

Nancy Atkinson’s Incredible Stories from Space

03/29/2017 | 47:09

Guests

The longtime editor of outstanding online space news source Universe Today has just written about nine robotic missions of exploration in "Incredible Stories From Space: A Behind-the-Scenes Look at the Missions Changing Our View of the Cosmos."

More Info & Listen »

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 »

Hope for Pluto—Should We Re-Redefine Planets?

03/08/2017 | 33:51

Guests

Planetary geologist Kirby Runyon is lead author of an abstract that proposes a new, geophysical definition of what a planet is.

More Info & Listen »

Space Policy Edition #10 - Special Guest Laura Delgado Lopez, SpaceX to the Moon, looming budget cuts

03/03/2017 | 1:19:25

Guests

  • Laura Delgado Lopez, Commercial Partnerships and International Strategic Account Manager, Harris Corporation’s Space and Intelligence Systems Segment

Laura Delgado Lopez from the Harris Corporation joins us to talk about the growing number of countries getting into the space business, particularly in Latin America. Casey, Jason, and Mat also take stock of SpaceX's plans to send humans around the Moon in 2018, and how the newly-announced Trump budget cuts could hurt NASA.

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 »

Planetary Radio Live: Near Earth Objects—The Killer Asteroid Threat

02/22/2017 | 1:38:52

Guests

  • Bruce Betts, Director of Science and Technology / LightSail Program Manager, The Planetary Society
  • Paul Chodas, Manager, NASA NEO Program Office, Jet Propulsion Laboratory
  • Lindley Johnson, Planetary Defense Officer, NASA
  • Amy Mainzer, NEOWISE Principal Investigator, Jet Propulsion Lab

Leaders of the quest to find, understand and protect ourselves from the asteroids and comets called Near Earth Objects gathered with host Mat Kaplan for a live conversation about this existential threat from space.

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.

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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 »

Space Policy Edition #9 – Congress Plots New Space Legislation Amid Trump’s Tumultuous First Two Weeks

02/06/2017 | 48:33

Guests

It’s still too early to say where the Trump Administration will take NASA, but there are a few hints. Congress is not waiting. Casey, Jason and Mat review a draft of the space agency’s authorization bill and a separate act that asks NASA to lay out its plans for humans to reach Mars.

More Info & Listen »

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