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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

The Coming Descent to Asteroid Bennu

January 22, 2020 • 1:02:35

OSIRIS-REx mission leader Dante Lauretta takes us to mysterious asteroid Bennu where a first sample collection site has been selected.

The MILO Institute: Opening the Solar System for Exploration by All

January 15, 2020 • 59:45

Planetary Scientist Jim Bell and space entrepreneur Lon Levin are founders of a new non-profit that aims to make robotic space exploration much more achievable by institutions around the world.

Space Policy Edition: Houston, We Have a Space Force (with Brian Weeden)

January 10, 2020 • 1:08:10

Legislation signed by President Trump in December formally established the 6th branch of the U.S. armed services, the first such expansion in 72 years. What exactly will the new Space Force do?

In the Clean Room With the Mars 2020 Rover

January 08, 2020 • 47:33

Host Mat Kaplan and Planetary Society solar system specialist Emily Lakdawalla go inside NASA’s Jet Propulsion Laboratory clean room to see the Mars 2020 rover.

Planetary Society All-Stars Look Back at 2019 and Ahead to 2020

January 01, 2020 • 1:17:08

Planetary Society experts Jason Davis, Casey Dreier and Emily Lakdawalla join host Mat Kaplan to recap the big space moments of 2019 and explore what's ahead in 2020.

What’s Next for Mars Exploration?

December 25, 2019 • 46:54

Planetary Society board member and Caltech/JPL research scientist Bethany Ehlmann discusses how the Mars 2020 mission will search for life on the Red Planet.

Meet the Planetary Society’s Newest Asteroid Hunters

December 18, 2019 • 38:51

We talk with two of our 2019 Shoemaker NEO Grant winners, who received funding to help find, track, and characterize potentially hazardous asteroids.

The Creators of The Expanse

December 11, 2019 • 1:04:55

Get ready for season 4 of The Expanse with Daniel Abraham and Ty Franck, who write the books and co-produce the shows under the name James S. A. Corey.

Space Policy Edition: The Biggest Policy Moments of the Decade (with Marcia Smith)

December 06, 2019 • 1L37:01

As the 2010s come to a close, Marcia Smith, the founder of Space Policy Online, rejoins the show to explore the most significant and impactful space policy decisions of the 2010s.

A Toast to Alcohol in Space

December 04, 2019 • 46:16

Chris Carberry traces the history and future of alcohol in space through his new book.

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