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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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Zero-G With OK Go!

February 16, 2016 • 38:49

OK Go has gone where no band has gone before to make a music video. Mat talks with Damian Kulash and Tim Nordwind about the hazards, thrill and promise of making art in free fall.

From Earth to the Edge of the Universe: A New Edition of “The Cosmos”

January 21, 2014 • 30:50

Astronomers Jay Pasachoff and Alex Filippenko join us for a conversation about their newest version of their monumental textbook, "The Cosmos." Emily Lakdawalla helps us say good morning to the just-awakened Rosetta spacecraft, while Bill Nye is fascinated and puzzled by what looks like a jelly doughnut on the Martian surface.

The Gemini Planet Imager: Worlds Made Visible

January 13, 2014 • 31:19

Principal Investigator and physicist Bruce Macintosh joins astronomer Franck Marchis to celebrate first light from the most powerful instrument for imaging exoplanets.

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.

Amy Mainzer Is Hunting Asteroids With NEOWISE

December 30, 2013 • 34:11

Take a spacecraft that can no longer survey the realm of galaxies and repurpose it to discover thousands of much nearer asteroids and comets. Put it to sleep for 2.5 years, then wake it up and start discovering even more! JPL’s Amy Mainzer is Principal Investigator for NEOWISE, the mission using this amazing space telescope.

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.

A Big Week for Space Science at the AGU and Beyond

December 16, 2013 • 28:50

The annual fall meeting of the American Geophysical Union revealed lots of science, some of it astounding. Emily Lakdawalla was there with Advocacy and Outreach Coordinator Casey Dreier, whose news was not quite as good.

Comet ISON: Much More Than a Memory

December 09, 2013 • 28:50

Maybe it wasn’t “the comet of the century,” but ISON has left a scientific legacy that is beyond compare. That’s according to Karl Battams of NASA’s Comet ISON Observing Campaign on this week’s show.

Alyssa Rhoden and the Rise of the Europa Underground

November 25, 2013 • 30:20

Alyssa Rhoden studies Jupiter’s moon Europa…from a distance. She, many other scientists and millions of space exploration fans around the globe want to see a mission to this ice world that hides a vast, warm ocean. That’s why she and several colleagues have created Destination: Europa, and they want your help.

Planetary Radio Live Celebrates the Launch of MAVEN

November 18, 2013 • 28:50

The successful launch of MAVEN was covered by Mat Kaplan, Bruce Betts and Emily Lakdawalla, with special, launch site reports from Jim Bell and Bill Nye.

SpaceUp LA: What would you do with $13 Billion?

November 11, 2013 • 32:32

What would YOU do with an extra $10 Billion for space exploration and development? That’s what Mat Kaplan asked the passionate space enthusiasts at the 2013 SpaceUp LA Unconference.

All-Sky Optical Search for Extraterrestrial Intelligence

November 04, 2013 • 31:54

A burst of laser light could let humanity know it is not alone in the universe. Harvard’s Paul Horowitz and Curtis Mead will give us an update on the technological wonder of Optical SETI that watches the entire sky for billionth of a second pulses from the stars.

It's Hot! Plutonium 238 is Back

October 28, 2013 • 32:08

Casey Dreier tells the winding tale of Plutonium 238, the radioactive isotope that is vital for exploration of the solar system. The US came dangerously close to exhausting its supply. Even with production restarted, there are major challenges facing explorers.

Juno's Brief Home Visit on the Road to Jupiter

October 21, 2013 • 28:50

Juno Principal Investigator Scott Bolton reviews the spacecraft's Earth flyby and previews its long stay at our solar system's king of planets.

Emily Lakawalla's DPS Report

October 14, 2013 • 28:50

The Planetary Society’s Senior Editor and Planetary Evangelist recaps this year’s revealing meeting of the Division for Planetary Sciences (DPS).

The New Horizons Initiative

October 07, 2013 • 28:50

Carl Sagan’s longtime artistic collaborator, Jon Lomberg, designed the cover for the Voyager Interstellar Record. Now he wants to upload another message from Earth to New Horizons, the spacecraft on its way to Pluto.

Gregory and James Benford on the "Starship Century"

September 30, 2013 • 28:50

“Starship Century—Toward the Grandest Horizon” is the new collection of fact and fiction assembled by Gregory and James Benford. The brothers are among the leaders of a renaissance in research and thinking about interstellar travel. They have returned to Planetary Radio to talk about this story of human destiny among the stars.

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.

MAVEN Mars Mission's Bruce Jakosky

September 16, 2013 • 28:50

The Mars Atmosphere and Volatile Evolution Mission (MAVEN) orbiter leaves for the red planet in November of 2013. Bruce Jakosky of the University of Colorado Boulder is its Principal Investigator. Mat Kaplan sat down with Bruce at a recent MAVEN workshop.

PLANETARY RADIO LIVE: LADEE Launches for Luna

September 09, 2013 • 28:50

Planetary Radio returned to the Crawford Family Forum for live coverage of the LADEE launch on September 6th.

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