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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

Talking with NASA Administrator Jim Bridenstine

May 22, 2019 • 45:09

The former Oklahoma congressman and Navy aviator stepped into the leadership role barely a year ago. Now he wants to see humans back on the Moon by 2024 as a vital stepping stone to Mars. Join us for a wide-ranging conversation about this ambitious plan and much more.

A Last Visit With LightSail 2 at the Cubesat Developers Workshop

May 15, 2019 • 45:05

Mat Kaplan visits Cal Poly San Luis Obispo for a last, clean room visit with LightSail 2, the Planetary Society’s solar sailing cubesat. While there, Mat also talked to attendees at the Cubesat Developers Workshop, including the creator of the tiny “Pocket Rocket” engine for small spacecraft.

Planetary Radio Live Defends Planet Earth!

May 08, 2019 • 53:30

Leaders of the global effort to avoid a catastrophic Near Earth Object impact gathered at the 2019 Planetary Defense Conference. On the evening of May 1st, The Planetary Society partnered in an exciting PDC public event at the University of Maryland College Park. Presentations by Society CEO Bill Nye and NASA Chief Scientist Jim Green were followed by Planetary Radio Live.

Space Policy Edition: Lessons From the Moonshot That Never Was (with Mark Albrecht)

May 03, 2019 • 89:20

Thirty years ago, Dr. Mark Albrecht led the National Space Council when President George H.W. Bush announced the Space Exploration Initiative, an ambitious effort to send humans to the Moon and then on to Mars.

The Skies of Super-Earths and Mini-Neptunes

May 01, 2019 • 55:29

There appear to be more mini-Neptunes (also known as Super Earths) across our galaxy than any other type of planet. Hannah Wakeford wants to learn if some of them support life, and she’s doing this by exploring their skies.

Lucy in the Sky With Asteroids

April 24, 2019 • 47:22

A rare alignment of planets and other objects will enable the solar-powered Lucy spacecraft to examine seven asteroids, six of which are among the thousands of Trojan asteroids that orbit ahead of and behind Jupiter. The mission team, include Hal Levison, Cathy Olkin and Mike Sekerak, hope to unlock secrets of our solar system’s origin through these ancient artifacts.

The Triumph of a Failed Moon Landing

April 17, 2019 • 38:00

The Beresheet lunar lander failed in the last few kilometers of its descent to the Moon. Two days later we learned that its team would try again.

Celebrating Yuri’s Night with Legendary Astronaut Story Musgrave

April 10, 2019 • 44:06

The Los Angeles celebration of Yuri’s Night came six days early this year. It attracted hundreds of space party animals, along with celebrities like Bill Nye and Story Musgrave. Host Mat Kaplan talked with both under the wing of space shuttle Endeavour.

Space Policy Edition: T-minus Five Years and Counting

April 05, 2019

Can NASA return astronauts to the Moon by 2024? Vice President Mike Pence shocked the space community by announcing this ambitious new goal just weeks after the Trump Administration proposed a half-billion dollar cut to the space agency.

Ice Worlds, A Moon Landing and Blasting an Asteroid

April 03, 2019 • 41:45

When will we return to Uranus and Neptune? Planetary scientist Amy Simon explains why a mission to the so-called ice giants is a high priority as she tells us about these mysterious, blue worlds.

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