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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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Sailing to an Asteroid on the Light of the Sun

October 24, 2018 • 49:25

LightSail 2 is not the only solar sail in the universe. NASA’s Marshall Space Flight Center and the Jet Propulsion Lab are preparing to send NEA Scout on a long, light-propelled journey to a near Earth asteroid.

Sailing on the Light of the Sun With Lou Friedman

September 06, 2017 • 49:21

The co-founder and Executive Director Emeritus of The Planetary Society returns for a conversation about the allure of sailing through space.

Ready for Space: LightSail 2 Update

March 22, 2017 • 34:49

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.

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.

A Big Test for LightSail 2

May 24, 2016 • 29:57

The Planetary Society’s solar sail spacecraft was in the middle of a critical test as we spoke with the Society’s Bruce Betts and Jason Davis.

Planetary Radio Live: The LightSail Countdown Begins!

July 15, 2014 • 28:50

LightSail, the Planetary Society’s innovative solar sail cubesat, will ride into space on the huge SpaceX Falcon Heavy, now in development. Bill Nye and others join us for a live celebration of this announcement.

Was a Natural Fuel Cell Key to the Origin of Life on Earth?

July 01, 2014 • 28:50

There’s so much we don’t know about the origin of life here or anywhere else in the universe. But there must have been an energy source. Researcher Laurie Barge led work that simulated the natural formation of a fuel cell that may have taken place in Earth’s primordial oceans.

Can We Touch the Stars? Lou Friedman at the 100-Year Starship Symposium

September 23, 2013 • 30:31

Only days after Voyager 1 reached interstellar space, forward thinkers met in Houston, Texas to consider how humans can become a starfaring species. Planetary Society Emeritus Executive Director Lou Friedman reports from the meeting.

VIP Tour of a Huge Solar Sail BONUS: Falcon 9 and Dragon Head for the ISS!

May 21, 2012 • 28:50

Join the VIP tour! Planetary Radio visited L’Garde, Incorporated to see how its giant solar sail is coming together. You’ll hear from Congressman Dana Rohrabacher, NASA Chief Technologist Mason Peck, and L’Garde co-founder Gordon Veal.

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