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Planetary Radio: Space Exploration, Astronomy and Science

The Planetary Society

Planetary Radio brings you the human adventure across our Solar System and beyond. We visit each week with the scientists, engineers, leaders, advocates, and astronauts who are taking us across the final frontier. Regular features raise your space IQ while they put a smile on your face. Join host Sarah Al-Ahmed and Planetary Society colleagues including Bill Nye the Science Guy and Bruce Betts as they dive deep into space science and exploration. The monthly Space Policy Edition takes you inside the

science

All Episodes

51:02

JWST finds a new lead in the search for life on a...

Planetary Radio: Space Exploration, Astronomy and... ·

2024/01/10

This week on Planetary Radio, we're diving into one of the most remarkable new exoplanet discoveries with the help of the James Webb Space Telescope (JWST). JWST has detected signs of methane and carbon dioxide in the atmosphere of K2-18 b. This discovery could reshape our search for life beyond Earth and teach us more about the enigmatic class of exoplanets known as sub-Neptunes. Our guest, Knicole Colón, is the deputy project scientist for exoplanet science for JWST. She'll fill us in on all of

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63:49

Space Policy Edition: India’s growing space ambitions

Planetary Radio: Space Exploration, Astronomy and... ·

2024/01/05

The history of India’s space program is, in many ways, the inverse of that of the US and Russia. While the two superpowers were outpacing each other in space spectaculars in their early decades, India — which began its space program around the same time in 1963 — prioritized practical programs by developing its own launch capability and launching satellites for weather, communications, and regional positioning systems. It is only in the 21st century that India began embracing the more symbolic feats

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59:59

Revisiting the discovery of phosphorus on Enceladus

Planetary Radio: Space Exploration, Astronomy and... ·

2024/01/03

This week on Planetary Radio, we are revisiting one of the biggest recent headlines in planetary science, the detection of Phosphorus in the oceans of Saturn’s moon Enceladus. Phosphorus is a key ingredient for life on Earth, and this discovery marks the first time it has been found in an ocean off of Earth. Chris Glein, a lead scientist at the Southwest Research Institute, joins us to discuss the discovery and its implications for the search for life. Then Bruce Betts returns for What's

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59:54

Looking back on 2023

Planetary Radio: Space Exploration, Astronomy and... ·

2023/12/27

Members of The Planetary Society staff revisit some of 2023's most exhilarating moments and groundbreaking discoveries in space this week on Planetary Radio. Kate Howells, Public Education Specialist, announces the winners of The Planetary Society's Best of 2023 awards. Jack Kiraly, Director of Government Relations, shares the strides made in space advocacy. Then Rae Paoletta, Director of Content and Engagement, and Mat Kaplan, Senior Communications advisor and former host of Planetary Radio, return

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73:27

Dragonfly soars to final design phase

Planetary Radio: Space Exploration, Astronomy and... ·

2023/12/20

NASA's Dragonfly mission to Saturn's moon Titan has been authorized to proceed with work on final mission design and fabrication, known as Phase C. This week on Planetary Radio, we get an update on the mission's progress and new timeline. You'll hear from Bobby Braun, head of the Johns Hopkins Applied Physics Lab's Space Exploration Sector, Elizabeth (Zibi) Turtle, the principal investigator for Dragonfly, and Ken Hibbard, mission systems engineer for the spacecraft. If that doesn't convince you

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60:00

An astrogeologic experience with Kirby Runyon

Planetary Radio: Space Exploration, Astronomy and... ·

2023/12/13

Sometimes, when you want to learn more about other worlds, all you have to do is step out your door. Mat Kaplan, Planetary Radio's creator and former host, takes us on an adventure with planetary geologist Kirby Runyon as they tour New Mexico, U.S.'s varied geology and compare it to other worlds. They'll explore the dunes of White Sands National Park, the Mars-like geology of Kilbourne Hole, and the rocks in the Carrizozo Lava flow. Then Bruce Betts, the chief scientist of The Planetary Society, and

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49:51

The mystery of the largest marsquake ever recorded

Planetary Radio: Space Exploration, Astronomy and... ·

2023/12/06

What caused the largest marsquake ever recorded? Benjamin Fernando, a post-doctoral fellow from the University of Oxford, joins Planetary Radio this week to talk about the 4.7-magnitude marsquake recorded by NASA’s InSight Mars lander and the international effort it took to pinpoint the cause of the quake. Then Bruce Betts, the chief scientist of The Planetary Society, and host Sarah Al-Ahmed chat about their earthquake experiences and share a fresh Random Space Fact in this week's What's

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59:28

Space Policy Edition: Was the Space Shuttle a policy...

Planetary Radio: Space Exploration, Astronomy and... ·

2023/12/01

Was the Space Shuttle a successful program? In many ways, yes: it endured for 30 years, launched hundreds of astronauts into space, and built the International Space Station. But, according to the goals of lower costs, rapid reusability, and reliability NASA stated at its conception, the Space Shuttle program was a failure. In this new recurring feature on SPE, Jack and Casey read through a classic paper in space policy and discuss its arguments, its conclusions, and whether the paper stands up to

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53:26

Lucy's first asteroid flyby reveals a surprise moon

Planetary Radio: Space Exploration, Astronomy and... ·

2023/11/29

On Nov. 1, 2023, NASA's Lucy spacecraft, which is on a mission to investigate Jupiter's Trojan asteroids, made its first flyby of asteroid Dinkinesh. Hal Levison and Simone Marchi, the mission's principal and deputy principal investigators, join Planetary Radio to discuss the asteroid rendezvous and the surprising discovery of Dinkinesh's moon. Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society, as he digests the discovery. Discover more at:

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55:39

Deep Sky: A JWST IMAX experience

Planetary Radio: Space Exploration, Astronomy and... ·

2023/11/22

Deep Sky, a newly released IMAX documentary, tells the emotional and hopeful story of the James Webb Space Telescope (JWST). Nathaniel Kahn, an Oscar-nominated filmmaker and the director of Deep Sky, joins Planetary Radio this week to discuss the film's decade-long creation process and the magic of JWST images on the big screen. Then Bruce Betts, the chief scientist of The Planetary Society, joins for What's Up and a new random space fact. Discover more at:

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59:16

NASA’s STEM program looks to the Moon

Planetary Radio: Space Exploration, Astronomy and... ·

2023/11/15

Steven Smith, an Education Specialist from NASA's Science, Technology, Engineering, and Mathematics (or STEM) Program, joins Planetary Radio to share some of the unique opportunities available for students in the lead-up to humanity's return to the Moon. Then Bruce Betts, the chief scientist of The Planetary Society, pops in for What's Up and a new random space fact. Discover more at: https://www.planetary.org/planetary-radio/2023-nasa-stemSee omnystudio.com/listener for privacy information.

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53:12

A City on Mars

Planetary Radio: Space Exploration, Astronomy and... ·

2023/11/08

Can we build permanent human settlements in space? It might be more complex than you think. Kelly and Zach Weinersmith join Planetary Radio this week to discuss their new book, "A City on Mars: Can We Settle Space, Should We Settle Space, and Have We Really Thought This Through?" Then Bruce Betts, the chief scientist of The Planetary Society, and host Sarah Al-Ahmed chat about some of the most significant challenges humanity might face as we build habitats beyond Earth. Discover more at:

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88:33

Space Policy Edition: What went wrong with Mars...

Planetary Radio: Space Exploration, Astronomy and... ·

2023/11/03

NASA’s Mars Sample Return mission was supposed to be lean, fast, and focused — no extra science instruments, no dedicated communications systems, and launching in 2026. But the effort has foundered under its own complexity and mismanagement. MSR’s total cost is likely to double to $10 billion or more and not launch until 2030 at the earliest. This month’s guest, Orlando Figueroa, chaired an independent review board which recently evaluated this project and identified management failures, unexpected

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58:08

Psyche and Eclipse Company blast off

Planetary Radio: Space Exploration, Astronomy and... ·

2023/11/01

On October 13, 2023, NASA's Psyche mission's principal investigator, Lindy Elkins-Tanton, watched her team's spacecraft blast off on its voyage to explore a metallic asteroid. She joins Planetary Radio this week for an emotional retelling of that day. Then Jesse Tomlinson and Stephen Watkins from the Eclipse Company tell us about their partnership with The Planetary Society and the launch of their new eclipse map for the upcoming 2024 total solar eclipse in North America. Stick around for What's Up

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55:13

Simulating Psyche: Modeling craters on a metallic world

Planetary Radio: Space Exploration, Astronomy and... ·

2023/10/25

NASA's Psyche mission launched on Oct. 13, 2023 on a journey to explore its namesake, the metallic asteroid Psyche. Simone Marchi, co-investigator for the Psyche mission, joins Planetary Radio to share the creative ways their mission team is working to understand cratering on metallic worlds, including everything from computer modeling to blasting metallic meteorites with projectiles. The Planetary Society's Public Education Specialist Kate Howells will discuss the Japanese Space Agency's newest

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59:41

InSight's revelation on Mars’ rotation

Planetary Radio: Space Exploration, Astronomy and... ·

2023/10/18

Data from the now-retired NASA InSight mission suggests that Mars' rotation is speeding up. The InSight RISE instrument's principal investigator, Sebastien Le Maistre, from the Royal Observatory of Belgium, joins Planetary Radio to get into the details. The Planetary Society's Digital Community Manager, Ambre Trujillo, shares her experience observing the October 14 annular solar eclipse and her adventure to the OSIRIS-REx sample return capsule opening at Johnson Space Center. Then, our Director of

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57:08

Celebrating the OSIRIS-REx sample return

Planetary Radio: Space Exploration, Astronomy and... ·

2023/10/11

On September 24th, NASA's OSIRIS-REx spacecraft triumphantly delivered a sample from asteroid Bennu to Earth. Rae Paoletta, the Director of Content and Engagement at The Planetary Society, joins Planetary Radio to recount her firsthand experience of the sample's return in Utah. She introduces us to Mike Puzio, the young man who named asteroid Bennu, and his father, Larry Puzio. Then Danny Glavin, the co-investigator for OSIRIS-REx, shares the next steps for the asteroid samples and the spacecraft

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49:58

2023 NASA Innovative Advanced Concepts Symposium: Part 2

Planetary Radio: Space Exploration, Astronomy and... ·

2023/10/04

Join Planetary Radio host Sarah Al-Ahmed for part two of her trip to the 2023 NASA Innovative Advanced Concepts (NIAC) Symposium in Houston, Texas. You'll hear from Mike LaPointe and John Nelson, the NIAC Program Executive and Deputy Program Executive along with Theresa Benyo (NASA Glenn Research Center), Lynn Rothschild (NASA Ames Research Center), and Javid Bayandor (State University of New York). Stick around for What's Up with Bruce Betts, the chief scientist of The Planetary Society, to learn

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59:51

2023 NASA Innovative Advanced Concepts Symposium: Part 1

Planetary Radio: Space Exploration, Astronomy and... ·

2023/09/27

Join Planetary Radio host Sarah Al-Ahmed on a trip to the 2023 NASA Innovative Advanced Concepts (NIAC) Symposium in Houston, Texas. In this jam-packed two-part series, you'll hear Sarah's interviews with the inspiring NIAC fellows who are thinking up the technologies that could change the future of space exploration. In this episode, you’ll hear from Congrui Grace Jin (University of Nebraska, Lincoln), Quinn Morley (Planet Enterprises), Ronald Polidan (Lunar Resources, Inc.), and Edward Balaban

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58:58

Alone but not lonely with Louis Friedman

Planetary Radio: Space Exploration, Astronomy and... ·

2023/09/20

Louis Friedman, one of the three co-founders of The Planetary Society, joins Planetary Radio to discuss his new book, "Alone but Not Lonely: Exploring for Extraterrestrial Life." The book takes us on a realistic but hopeful reflection on the search for life, from habitable worlds to the technologies that might allow us to explore exoplanets without leaving our stellar backyard. Then stick around for What's Up with Bruce Betts, chief scientist of The Planetary Society, as we get his hot take on life

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1,293 results

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