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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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Opportunity, Phone Home!

September 12, 2018 • 33:30

The dust is settling on the Red Planet. Is the remaining Mars Exploration Rover about to rise and shine after three months of slumber? MER Project Manager John Callas returns with a realistic yet hopeful assessment.

A Little Rocket Company Shoots for the Moon

January 03, 2017 • 57:33

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?

To Mars! With National Geographic

November 22, 2016 • 46:14

The National Geographic Channel’s “Mars” miniseries has begun. Mat Kaplan attended a kickoff for the ambitious docudrama last summer. You’ll hear from series technical advisor Bobby Braun, author of “The Martian” Andy Weir, Cosmos creator Ann Druyan and more.

Interstellar Dreams Turn Real

August 02, 2016 • 1:26:01

Philip Lubin and his former student Travis Brashears have had quite a year. Their bold plan to send tiny probes to nearby stars is now supported by NASA and the Breakthrough Starshot $100 million dollar initiative. Hear their amazing story.

Dream Chaser: The Return of the Spaceplane

May 10, 2016 • 28:50

We’re back at Space Symposium for a conversation with SNC’s Mark Sirangelo, leader of that company’s effort to build the Dream Chaser. We’ll also hear a few moments of Bill Nye’s session at the annual gathering as he hosted Bernard Foing and Amy Mainzer.

Celebrating Yuri’s Night 2016 with Astronaut Samantha Cristoforetti

April 12, 2016 • 28:50

Happy Yuri’s Night! We’re partying under Space Shuttle Endeavour in the first of two shows featuring interviews from the worldwide celebration of space. Star Trek’s Robert Picardo will talk about his new video newsletter, the Planetary Post, and we’ll visit with Samantha Cristoforetti, who returned last June from 200 days aboard the International Space Station.

HERA Heroine Julielynn Wong and Printing Medical Tools in Deep Space

March 08, 2016 • 34:48

Julielynn Wong came directly from her 30-day long HERA IX deep space simulation to our microphone. We talk with her about the experience, and her progress toward 3D medical device printing solutions for astronauts and Earthbound humans.

Planetary Radio Extra: Planetary Society Experts 2015 Review

January 05, 2016 • 61:40

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.

Big News From Little Worlds

March 24, 2015 • 28:50

Senior Editor Emily Lakdawalla has returned from the Lunar and Planetary Science Conference in Texas with the latest revelations about our solar system. She shares them in an extended report.

Found! Beagle 2 on Mars

February 17, 2015 • 28:50

The Beagle 2 Mars lander disappeared after it separated from the Mars Express orbiter on Christmas Day, 2003. Eleven years later, it has been found, partially-deployed on the Martian surface. Longtime Beagle 2 mission leader Mark Sims tells the story.

Astronomers Without Borders: Spreading the Wonder Worldwide

June 10, 2014 • 28:50

Astronomers Without Borders Founder and President Mike Simmons and his colleagues share the passion, beauty and joy of the night sky from Argentina to Zambia.

Back to Planetary Radio Live With the Mars Rovers

February 04, 2014 • 38:52

Our celebration of the Mars rovers continues from Southern California Public Radio’s Crawford Family Forum, this week featuring planetary scientist and author Jim Bell, Curiosity Project Scientist John Grotzinger, JPL Mars Engineering Manager Rob Manning and Planetary Society CEO Bill Nye. Emily takes us to Curiosity’s latest find on the red planet, and Bruce Betts joins Mat to gaze at the night sky and give away ISS-Above, the little device that tells you when the International Space Station is overhead.

Planetary Radio Live Celebrates the Mars Rovers

January 28, 2014 • 28:50

Opportunity has been rolling across Mars for 10 years! We celebrate the Mars Exploration Rovers and their sisters on the red planet at Planetary Radio Live, this week featuring MER Principal Investigator Steve Squyres. Emily Lakdawalla and Bill Nye join Mat in front of a capacity crowd at Southern California Public Radio’s Crawford Family Forum. Bruce Betts closes the show with a live Random Space Fact and rover trivia contest.

A 2014 Preview From Emily Lakdawalla

January 06, 2014 • 28:50

24 spacecraft are either busy exploring the solar system or speeding toward an exciting destination. The Planetary Society's Senior Editor takes us on a whirlwind advance tour.

10 Years A Roving: A.J.S. Rayl on the Mars Exploration Rovers

December 23, 2013 • 53:17

What a long, wonderful trip it has been for Spirit and Opportunity, the Mars Exploration Rovers. Planetary Society reporter A.J.S. Rayl has been writing about their adventure every month for ten years. She looks back on this week’s show.

Landing On Mars With JPL's Matt Golombek

June 17, 2013 • 38:05

Join us at JPL for a conversation with Mars landing site selection leader Matt Golombek. Matt is also now Project Scientist for the Mars Exploration Rover program, and shares the great news from Opportunity about its latest discovery. Emily Lakdawalla presents a guest blog entry that features splendid images from Mars Express, while Bill Nye traces the convoluted ways of space science funding in Washington. Bruce Betts and Mat Kaplan are at a legendary Pasadena eatery for this week’s What’s Up. Cosmic hot dog, anyone?

Saving Science Education With Pamela Gay AND Creating the Blackest Black

June 10, 2013 • 35:12

A Planetary Radio double header includes a visit with CosmoQuest’s Pamela Gay. She and colleagues are working to replace vital federal funds for science education and citizen science programs. We also go to the dark side with David Carnahan of NanoLab, developer of carbon nanotubes that may help us discover Earth-like planets.

Planetary Radio LIVE Continues! With John Callas of the Mars Exploration Rovers and Joy Crisp of the Mars Science Laboratory

January 02, 2012 • 0:28:50

Here's the second half of our December show recorded in front of a live audience: Mars rover updates, two more spacey songs from KJ Williams, and the big finish of Emily Lakdawalla's proof that she is not covering up evidence of aliens in our solar system! You'll also hear a brand new What's Up segment from Bruce Betts and Mat Kaplan.

Planetary Radio LIVE! With John Callas of the Mars Exploration Rovers and Joy Crisp of the Mars Science Laboratory

December 26, 2011 • 0:28:50

We once again go before a live audience for an all Mars rover show. We've also got singer KJ Williams, Bill Nye the Planetary Guy, and Emily Lakdawalla's proof that she is not covering up evidence of aliens in our solar system!

Opportunity Reaches Endeavour, and Planetary Radio Wins an Award!

September 05, 2011 • 0:28:52

Opportunity reaches Endeavour Crater, Emily Lakdawalla visits a New Horizons science meeting about Pluto, Bill Nye discusses a planet made of diamond, and Bruce Betts and Mat Kaplan celebrate the award of a Parsec award to Planetary Radio.

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