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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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Space Policy Edition: Canada's Uncertain Future in Space (with Kate Howells)

December 07, 2018 • 67:56

Canada was the third country in history to launch a satellite into space, but now lags in its space ambitions, capability, and spending. What happened?

Moon Mission 3D from Queen Guitarist Brian May and David Eicher

November 14, 2018 • 35:13

You haven’t seen the best pictures from the Apollo era and other great space achievements till you’ve seen them in 3D. Queen guitarist and astrophysicist Brian May is also mad about stereoscopic imagery.

Space Policy Edition: How NASA Came to Be

October 05, 2018 • 69:26.39

Happy 60th, NASA. In celebration of the space agency’s birthday, we do the audio equivalent of pulling out NASA’s baby book and explore its origin story.

John Logsdon and the Dawn of the Space Age

October 03, 2018 • 48:48

The Dean of space policy, John Logsdon, returns with stories and a new book of original documents that shaped the US space program from the birth of NASA to SpaceX. Planetary Society CEO Bill Nye reports in from this year’s International Astronautical Congress in German, while Senior Editor Emily Lakdawalla wraps up a working tour of New Zealand. Then join Bruce and Mat for this week’s What’s Up.

Big Science, Big Rocket at the Marshall Space Flight Center

September 05, 2018 • 49:38.05

Mat Kaplan’s Huntsville, Alabama trip wraps up with a tour of the historic and history-making Marshall Space Flight Center. Join him at the control center for research underway on the International Space Station, under a tent where a critical component of the Space Launch System rocket is getting finishing touches, in a conversation about the Fermi spacecraft’s search for the universe’s biggest explosions, and with the Center’s Associate Director for Technical efforts.

Space Policy Edition: Destination…Mars? Contradictions and Principles

August 03, 2018 • 60:02

The Senate just held a hearing on NASA's efforts to send humans to...Mars? A week later, the same committee advanced legislation to extend the life of the International Space Station to 2030, six years beyond the current end-date and two years beyond the current hardware safety ratings.

A Conversation with Freeman Dyson

June 13, 2018 • 39:38

There’s so much more to Freeman Dyson than the Dyson Sphere. The mathematician, physicist, futurist and author is one of the greatest and most original minds of our era.

Why Mars? We’ve Got the Answers

May 16, 2018 • 38:54

The great adventure awaits! Mat Kaplan hosts an entertaining panel discussion at the 2018 Humans to Mars Summit in Washington DC. Eight guests provide their diverse and inspiring reasons for humans to visit the Red Planet.

Space Policy Edition: A Commercial Future for the Space Station?

May 04, 2018 • 1:03:03

After announcing it intends to divest from the International Space Station in 2025, NASA quietly released a new report on its transition plans, laying out a series of principles that will set the future of U.S. astronauts in low-Earth orbit. Can a private entity really take over the space station? Where did this idea come from anyway?

AI, Space, and Humanity’s Future—A Conversation with David Brin

April 04, 2018 • 1:08:03

The multi-award winning science fiction author, futurist and speaker returns to Planetary Radio for a wide-ranging conversation about robots and humans in space, empathetic artificial intelligences, how we can survive the Singularity and much more.

Stephen Hawking: Spaceflight Pioneer!

March 21, 2018 • 39:06

He is known for his breakthrough physics and popularizing of science, but Dr. Hawking also wanted to fly in space. Erik Viirre led the medical team that helped Stephen experience weightlessness.

Going to Sea to Sail Through Space: Orion Ocean Recovery Testing

January 31, 2018 • 38:30

Join Mat Kaplan on a visit to Naval Base San Diego and the USS Anchorage, the amphibious ship that has just completed a round of Orion spacecraft recovery testing and practice.

Living in Space!

January 24, 2018 • 37:55

Mat Kaplan talks with participants in the National Space Society’s recent Space Settlement Summit about human destiny in space.

Andy Weir’s New Novel Puts a City on the Moon

November 08, 2017 • 50:26

The author of #1 bestseller "The Martian" is back with "Artemis," a superbly-researched, rollicking adventure in the first city on the Moon.

Space Policy Edition #15 – Congressman Rick Larsen, Could Russia Exit the ISS?

August 04, 2017 • 1:23:07

New U.S. sanctions against Russia have reignited speculation that global politics could undermine cooperation in the International Space Station. Could Russia cut off rides for US astronauts to the ISS? Later, Casey Dreier joins Spark Science host Dr. Regina Barber Degraaff for a conversation with U.S. Congressman Rick Larsen, Democratic representative of Washington state’s 2nd District. We also check in on NASA's 2018 budget, which is currently moving through the Senate. Did they provide funding for a new Mars orbiter?

Planetary Radio Live! Living on Mars

July 26, 2017 • 1:26:43

Will humans live, work and thrive on Mars? What challenges must be met before we can become Martians? On July 20th, the anniversary of the Apollo 11 moon landing, Mat Kaplan welcomed an outstanding panel of experts for conversation in front of a Pasadena, California audience.

Thomas Edison, Eclipse Chaser!

June 21, 2017 • 1:02:38

Former NPR science reporter David Baron discusses the stories of men and women who made their way across the American West to view and document the total solar eclipse of 1878.

Human Spaceflight: Coming Back to America

May 24, 2017 • 47:39

Astronauts may soon ride on US rockets and in US spaceships for the first time since the last Space Shuttle flight. Jon Cowart of NASA is working with SpaceX toward the first launch of a Dragon spacecraft with humans on board.

NASA Leaders on Getting Humans to Mars

May 17, 2017 • 1:05:00

The human journey to the Red Planet is long and hard, but Mat’s conversation with three NASA Associate Administrators at the Humans to Mars Summit was filled with cautious optimism.

Space Policy Edition #12 – Is Space Policy Stagnant? With Special Guest Marcia Smith

May 05, 2017 • 1:27:25

Moon or Mars? Should NASA depend on private companies? What’s the goal of human spaceflight? These questions were debated three decades ago, yet are just as relevant today. Does that mean space policy is stagnant?

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