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Planetary Radio Episodes

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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Live at the Space Tech Expo with Bill Nye, Xcor and Zero-G

May 27, 2013 • 34:38

PlanRad Live takes to the road again, this time visiting the Space Tech Expo in Long Beach, California for a conversation with enthusiastic team members at Xcor Aerospace, where they are building the Lynx spaceplane, and the Zero Gravity Corporation, whose “G-Force One” plane has allowed thousands of men and women to experience weightlessness. Bill Nye joined the fun on stage, and Bruce Betts arrived with t-shirts for the winners of the live What’s Up space trivia contest.

Sun Rings: Music of the Spheres From the Kronos Quartet

May 13, 2013 • 28:50

The internationally renown string quartet talk about creating and performing Terry Riley's Sun Rings, that incorporates Don Gurnett's space sounds.

Saving Earth: Asteroid Emergency Tabletop Exercise at the 2013 PDC

May 06, 2013 • 41:37

The last installment of our Planetary Defense Conference coverage makes a deep impact as hundreds of attendees participate in an asteroid mitigation exercise. You’ll hear from astronauts Ed Lu and Rusty Schweikart, Near Earth Object expert Don Yeomans, Cathy Plesko of the Los Alamos National Laboratory and many more.

Live at the Planetary Defense Conference!

April 22, 2013 • 28:50

Planetary Radio host Mat Kaplan joined Bill Nye and four passionate planetary explorers on stage at the Planetary Defense Conference in Flagstaff, Arizona.

Basics of Interplanetary Flight With Dave Doody

April 08, 2013 • 28:50

JPL’s Dave Doody doesn’t just fly around the solar system, he teaches others how it's done. We talk about what students learn in his non-technical class, the Basics of Interplanetary Flight.

Saturn Update from Cassini Project Scientist Linda Spilker

April 01, 2013 • 30:14

We pay another visit to the queen of planets with Cassini Mission Project Scientist Linda Spilker. She always brings us fascinating news from Saturn, its moons and rings.

More of Our ALMA Adventure in Chile's Atacama Desert

March 25, 2013 • 28:50

Our special coverage of the ALMA Observatory inauguration continues, with the President of Chile, the incoming ALMA Director, and much more from the Atacama Desert.

ALMA Adventure

March 18, 2013 • 28:50

The first of two shows about Mat Kaplan's journey to Chile's Atacama Desert for the inauguration of the Atacama Large Millimeter small millimter Array, the most ambitious, Earth-based astronomy project in history.

Alan Stern's Golden Spike Sets Sights on the Moon

March 04, 2013 • 28:50

Alan Stern is back to tell us about Golden Spike, his new company that plans to put human clients on the surface of the moon by the end of this decade.

Chris Lewicki of Planetary Resources: Mining Asteroids For Fun and Profit

February 18, 2013 • 31:25

Chris Lewicki is the passionate President of Planetary Resources. He leads the company's mission to find, capture and deliver asteroids to its space-resource hungry clients.

2012 DA14--Coming Soon to a Planet Near You!

February 11, 2013 • 28:50

The 45-meter Near Earth Asteroid flies by on February 15. NASA brought together asteroid experts to discuss it and others of its threatening kind.

Debra Fischer Hunts for a Second Earth at Alpha Centauri

January 28, 2013 • 28:53

Yale Professor of Astronomy Debra Fischer is one of our planet’s most successful discoverers of exoplanets. She has set her sights on Alpha Centauri, where she hopes to find a Earth-sized world in the habitable zone: not too hot, not too cold for life.

The Gigantic ALMA Radio Telescope in Chile

January 21, 2013 • 28:50

ALMA will make sharper images than the Hubble Space Telescope, yet it’s a radio telescope! ALMA scientists Alison Peck and Al Wooten tell us about this array of 66 huge dishes in Chile’s Atacama desert.

Visiting the AAS Meeting for a JWST Update and More

January 14, 2013 • 52:37

The 221st meeting of the American Astronomical Society was a great place to learn about the James Webb Space Telescope from Jason Kalirai and Dean C. Hines.

Listening Once Again to Amateur Astronomy Pioneer John Dobson

January 07, 2013 • 28:50

A reprise of our very popular conversation with the delightful 97-year old John Dobson, inventor of the Dobsonian telescope that brings the universe within everyone’s reach.

Looking Back, Looking Forward: Beginning a New Year In Space

December 31, 2012 • 28:50

Planetary Society experts review the challenges and triumphs of 2012 and look forward to a new and exciting year. You’ll hear Bill Nye the Science Guy, Emily Lakdawalla on new missions, Casey Dreier on “Saving our Science,” and Bruce Betts’ review of great projects, as well as a musical rendition of “Random Space Fact.”

PLANETARY RADIO LIVE: Special Curiosity Report Continues

December 24, 2012 • 28:50

Our fascinating, live conversation with Curiosity Project Manager Richard Cook and Project Scientist John Grotzinger continues. Richard and John are joined on stage by Bill Nye the Science Guy, Emily Lakdawalla and Mat Kaplan.

PLANETARY RADIO LIVE: Celebrating Rover Curiosity

December 17, 2012 • 28:50

The leaders of the Curiosity mission join Bill Nye, Emily Lakdawalla and host Mat Kaplan for a live conversation about the thrilling mission on Mars.

Approaching Pluto, and Learning About Uwingu From Alan Stern

November 26, 2012 • 28:50

New Horizons Principal Investigator Alan Stern returns with a Pluto mission update. He also introduces us to Uwingu.

Celebrating Carl Sagan With Lou Friedman, Lynda Obst, Kip Thorne and More

November 12, 2012 • 30:39

November 9 was Planetary Society founder Carl Sagan's birthday, so we gathered a few of his close friends and several young scientists he inspired in front of a live audience. They also helped us celebrate Planetary Radio's 10th anniversary!

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