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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

Dawn: Ten Years of Exploration

October 11, 2017 • 59:03

Dawn Mission Director and Chief Engineer Marc Rayman helps us salute the ion-engine powered spacecraft that first orbited asteroid Vesta in the main asteroid belt and then moved to dwarf planet Ceres, revealing two fascinating worlds.

Space Policy Edition #17: The 75th Anniversary of the Rocket Age, with Dr. Michael Neufeld

October 06, 2017 • 90:19

Fifteen years before Sputnik, on a bright 1942 afternoon in northern Germany, a thundering machine of metal and fire pierced the sky, ultimately touching the edge of space for the first time in history. It opened a new era of opportunity and terror with rocket technology. Dr. Michael Neufeld joins us discuss the significance of this test and how it happened.

Australia Gets Serious About Space

October 04, 2017 • 44:07

The Australian government announced that it would create a national space agency at the 68th annual International Astronautical Congress in Adelaide. We’ll talk with IAC 2017 CEO Brett Biddington about what this means for his country.

Celebrating Cassini…Live!

September 27, 2017 • 1:28:48

More than 1,100 fans of the just-completed 20-year mission to Saturn joined us for a live tribute.

Long Live Cassini!

September 20, 2017 • 1:00:02

Join us at JPL and Caltech on the bittersweet morning the Cassini spacecraft plunged into Saturn.

Science Fiction Greats on Humanity’s Destiny in Space

September 13, 2017 • 1:10:39

Robert Zubrin of the Mars Society talks with Gregory Benford, David Brin, Geoffrey Landis and Larry Niven about terraforming Mars, the origin of life, the drive to explore and more.

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.

Space Policy Edition #16: NASA's Flagship Missions: Are They Worth It?

September 01, 2017 • 1:26:01

The multi-billion dollar, multi-decade Cassini mission is about to end. A new report tries to answer an important question: are flagship science missions like Cassini worth the effort and expense? And how can NASA maximize the value of these endeavours? Dr. Ralph McNutt, co-chair of the National Academies study, reviews the report’s recommendations.

Planetary Radio Live on the Eve of the Eclipse

August 30, 2017 • 1:14:00

With hours to go before the Great American Eclipse, nine outstanding guests joined host Mat Kaplan for Planetary Radio Live in front of 1,100 rowdy eclipse and space science fans.

Cassini Project Scientist Linda Spilker’s Last Appearance Before the Grand Finale

August 23, 2017 • 35:08

It’s the Grandest Finale. The spectacular Cassini mission’s exploration of Saturn will end on September 15th when the spacecraft plunges into the planet. Cassini Project Scientist Linda Spilker is back with one last mission update.

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