Planetary Radio: Space Exploration, Astronomy and Science artwork

Planetary Radio: Space Exploration, Astronomy and Science

1,200 episodes - English - Latest episode: 21 days ago - ★★★★★ - 1.2K ratings

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 DC beltway where the future of the US space program hangs in the balance. Visit planetary.org/radio for an episode guide and much more.

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Episodes

Flying the Skies of Saturn’s Moon Titan

January 16, 2019 16:00 - 45 minutes - 41.9 MB

Imagine soaring over what may be the solar system’s most Earth-like world, if you ignore the chill. If funded, the nuclear electric-powered Dragonfly will do exactly this. Principal Investigator Elizabeth “Zibi” Turtle shares her enthusiasm. Emily Lakdawalla reports on Chang’e 4, China’s pioneering lander and rover on the far side of the Moon.  Bruce and Mat answer a question that had no answer till New Horizons flew by Ultima Thule days ago. That’s part of this week’s What’s Up. Learn more a...

New Horizons Flyby: Join the Celebration!

January 09, 2019 16:00 - 1 hour - 57.1 MB

Join us at the Applied Physics Lab in Maryland for the New Horizons encounter with the most distant object ever visited. You’ll meet mission leaders, friends and even a rock and roll star as we dive deep into this triumph of exploration.  Then Bruce Betts helps us prepare for the total lunar eclipse. Learn more at:  http://www.planetary.org/multimedia/planetary-radio/show/2019/0109-2019-new-horizons-ultima-apl.htmlLearn more about your ad choices. Visit megaphone.fm/adchoices See omnystudio.c...

A Mission to Earth: OSIRIS-REx

January 02, 2019 16:00 - 37 minutes - 33.9 MB

Why do so many spacecraft that are headed across our solar system turn their instruments back to Earth during flybys?  OSIRIS-REx was no exception. The answers come from mission scientist Vicky Hamilton.  She has also written about the topic in The Planetary Report. Planetary Society CEO Bill Nye helps us ring in the new year, while Bruce Betts leads the first What’s Up of 2019 with exciting news about the night sky. Learn more at:  http://www.planetary.org/multimedia/planetary-radio/show/201...

Countdown to Ultima: Alan Stern and New Horizons

December 26, 2018 16:00 - 42 minutes - 38.9 MB

The New Horizons spacecraft will reach faraway Kuiper Belt object 2014 MU69 in the first minutes of 2019.  Will the body informally known as Ultima Thule be as mysterious and exciting as Pluto? We’ll hear from the mission’s Principal Investigator, Alan Stern. Senior Editor Emily Lakdawalla takes us through 2018’s biggest planetary science and exploration moments.  The coolest asteroid defense stickers in the solar system could be yours if you win the new What’s Up space trivia contest.  Learn...

Earthrise! The 50th Anniversary of Apollo 8

December 19, 2018 16:00 - 50 minutes - 46.6 MB

This is the 50th anniversary of the most audacious space mission in history. Apollo 8 blazed a path for the first moon landing seven months later, and gave a troubled nation reason for hope and pride.  Author Robert Kurson has written Rocket Men as a tribute to--and chronicle of—the mission and the people who made it happen. The new edition of The Planetary Report is now available to all, according to Senior editor Emily Lakdawalla.  Planetary Society Chief Scientist Bruce Betts also celebrat...

At the Space Settlement Summit With Former NASA Administrator Charlie Bolden

December 12, 2018 16:00 - 50 minutes - 45.9 MB

He led NASA for eight years, but not till he had flown on four Space Shuttle missions and enjoyed a long military career. Charlie Bolden talks with Mat about his time at the space agency and where we’re headed on the final frontier.  Space station designer Al Globus says a city in space may be much easier to achieve than was thought.  Planetary Society Senior Editor Emily Lakdawalla has news about five planetary science missions.  Mat has a surprise for Bruce Betts and more great prizes for t...

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

December 07, 2018 19:00 - 1 hour - 62.2 MB

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? Kate Howells, who serves on the Canadian Space Advisory Board, joins the podcast to talk about the challenges facing Canada's future in space and how the nation needs to do a better job of communicating the benefits of space exploration to its citizens. Casey and Mat also look at the latest machinations of the U.S. congress, which has yet to f...

Last Week, Mars. This week, An Asteroid Called Bennu.

December 05, 2018 16:00 - 40 minutes - 36.9 MB

The InSight lander has only just arrived on Mars. Now, OSIRIS REx has reached asteroid Bennu after traveling through deep space for a year and a half. We’ll talk with the Planetary Society’s Jason Davis about this mission that will bring a sample of Bennu back to Earth after it has learned all it can over the next 19 months. We’ll also hear from the young student who gave the asteroid its name. Then we’ll return to the Red Planet for a conversation with the leader of the InSight mission, Bruc...

A Great Day for Space Explorers: The Landing of InSight

November 28, 2018 16:00 - 59 minutes - 54.6 MB

Join 1,000 anxious yet thrilled space fans at Caltech for our live InSight landing party.  You’ll meet Mat Kaplan’s onstage experts and check in with Bill Nye and Emily Lakdawalla at the Jet Propulsion Lab.  Then we’ll hold our breath as the spacecraft hurtles down through the Martian atmosphere in its seven minutes of terror, climaxing in a glorious touchdown on the Red Planet. This is a very special episode. Learn more at:  http://www.planetary.org/multimedia/planetary-radio/show/2018/1128-...

We Know Where the 2020 Rover Will Look for Martian Life

November 21, 2018 16:00 - 42 minutes - 39 MB

NASA announced on November 19th that the multi-billion dollar 2020 Mars rover will land in Jezero crater, where it will begin the search for the signature of past life. The selection process took five years, and Briony Horgan of Purdue University was part of it all. She joins us to talk about this exciting and enticing target on the Red Planet. Planetary Society Senior Editor Emily Lakdawalla prepares us for the much more imminent Mars landing of InSight. Orion in the northern hemisphere’s ni...

Space Policy Edition: After the Midterms—Looking Ahead with Marcia Smith

November 16, 2018 19:00 - 50 minutes - 45.9 MB

The counting continues as we publish this month’s special episode, with a handful of seats in the US Senate and House still up for grabs.  But with the Democratic takeover of the House assured, and several longtime space advocates turned out, change is certainly coming.  Dealing with the nation’s huge deficit also threatens NASA’s budget.  Planetary Society Chief Advocate Casey Dreier welcomes back space policy expert Marcia Smith for an insider’s look at the aftermath and what may be ahead. ...

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

November 14, 2018 16:00 - 35 minutes - 32.3 MB

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.  He worked with this week’s guest, Astronomy Magazine Editor-in-Chief David Eicher, to create this beautiful new book that contains 150 startling 3D images, along with clear 3D glasses. A copy of Moon Mission 3D will go to the winner of the new What’s Up space trivia contest.  Also, Planetar...

Where Do We Come From? – Exploring the Origins of Life Lab

November 07, 2018 16:00 - 38 minutes - 35.2 MB

They may be the most important questions in all of science: Where do we come from?  Are we alone? Researchers Ralph Pudritz and Maikel Rheinstadter are working on these puzzles with their new Planetary Simulator, possibly edging toward the natural creation of self-replicating molecules. Bruce Betts’ new book, Astronomy for Kids, is just one of the prizes offered in this week’s What’s Up space trivia contest. Learn more at: http://www.planetary.org/multimedia/planetary-radio/show/2018/1107-201...

Celebrating Kepler

October 31, 2018 15:00 - 43 minutes - 39.5 MB

The Kepler mission has ended.  Listen to highlights of the October 30th media briefing that included the father of the fantastically successful planet finder, William Borucki.  Then catch the thoughts of Planetary Society editors and commentators Jason Davis and Emily Lakdawalla.  Director of Space Policy Casey Dreier explores what’s at stake in the US November 6th midterm election.  And we’ll give away another copy of Bruce Betts’ Astronomy for Kids in a spooky edition of What’s Up.  Learn m...

Sailing to an Asteroid on the Light of the Sun

October 24, 2018 15:00 - 49 minutes - 45.3 MB

LightSail 2 is not the only solar sail in the universe. NASA’s Marshall Space Flight Center and the Jet Propulsion Lab are preparing to send NEA Scout on a long, light-propelled journey to a near Earth asteroid.  Principal Investigator Les Johnson shares his excitement about this interplanetary cubesat. Emily Lakdawalla reports in from southern France following the successful start of the BepiColombo mission to Mercury.  Don’t know a primorial from a primordial? No worries.  Bruce Betts will ...

Back to Saturn for Brand New Cassini Science

October 17, 2018 15:00 - 36 minutes - 33.3 MB

Our most frequent guest returns with exciting, just-published research enabled by the 20-year mission’s enormous success. Linda Spilker has served as Cassini Project Scientist for 8 years, and was Deputy Project Scientist for the previous 13.  You’ll also get the chance to win Bruce Betts’ great new intro to  astronomy book in this week’s space trivia contest. Learn more at: http://www.planetary.org/multimedia/planetary-radio/show/2018/1017-2018-linda-spilker-cassini-science.htmlLearn more ab...

Celebrating Astronomy Day with the Giant Magellan Telescope

October 10, 2018 15:00 - 1 hour - 55.6 MB

Happy Astronomy Day, October 13, 2018!  We salute humankind’s long history of stargazing by checking in on what will be our planet’s largest telescope. Patrick McCarthy is an astronomer and a leader of the Giant Magellan Telescope project. He returns with a report on the instrument’s status, followed by a fascinating tour of the GMT facility. The MASCOT spacecraft has successfully completed its brief mission at asteroid Ryugu. Emily Lakdawalla provides an overview. And the space trivia contes...

Space Policy Edition: How NASA Came to Be

October 05, 2018 18:00 - 1 hour - 63.6 MB

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. Though legislation creating the space agency developed in the wake of Sputnik, it was built upon a rapidly changing relationship of the government to fundamental research and development in the decade before. We follow the threads of what makes NASA NASA, as well as how, in its early years, NASA looked quite different than the agency we know...

John Logsdon on the Dawn of the Space Age

October 03, 2018 15:00 - 48 minutes - 44.7 MB

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.  Learn and hear more at: http://www.planetary.org/multimedia/planetary-radio/show/2018/1003-201...

SpaceX Builds a Big Falcon Rocket

September 26, 2018 15:00 - 40 minutes - 37.5 MB

A mostly SpaceX episode as the ambitious company provides updated details regarding its huge new rocket and introduces its first astronauts. Mat Kaplan shares more from the company’s headquarters, while Planetary Society Digital Editor explains and explores the BFR.  Jason also celebrates the successful landing of two asteroid “rovers” from Japan’s Hayabusa2 spacecraft.  And we’ll tell you What’s Up in the night sky as we offer another space trivia contest.  Learn and hear more at: http://www...

Return to Fiery Mercury With BepiColombo

September 19, 2018 15:00 - 37 minutes - 34.3 MB

Elsa Montagnon is Spacecraft Operations Manager for the European/Japanese mission leaving for our solar system’s innermost planet very soon. She joins us to talk about the long journey ahead. Elsa also has the cover article in the brand new edition of The Planetary Report, the Planetary Society’s once exclusive magazine that is now available to everyone online, according to its editor, Emily Lakdawalla.  Planetary Society CEO Bill Nye is happy for a very happy Elon Musk. The leader of SpaceX ...

Opportunity, Phone Home!

September 12, 2018 15:00 - 33 minutes - 30.7 MB

The dust is settling on the Red Planet.  Is the remaining Mars Exploration Rover about to rise and shine after three months of slumber?  MER Project Manager John Callas returns with a realistic yet hopeful assessment.  He also tells us what Opportunity will be asked to do after we hear from her.  Planetary Society Senior Editor Emily Lakdawalla returns with a preview of China’s next two missions to the Moon, one of which will make the first-ever farside landing. How close is the nearest black...

Space Policy Edition: Did NASA Ace its Midterms? With Special Guest Louise Prockter

September 07, 2018 18:00 - 1 hour - 77.9 MB

We talk with planetary scientist and Lunar and Planetary Institute Director Louise Prockter, who co-led creation of a new report evaluating the performance of NASA's planetary science division. This comes five years after the release of the influential decadal survey. Given the massive budget cuts over the past few years, how did NASA do? Where do these reports come from and who puts them together? Why are they important? All will be answered in this month’s SPE!  We also look into the report...

Big Science, Big Rocket at the Marshall Space Flight Center

September 05, 2018 15:00 - 1 hour - 73.4 MB

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. Then wrap up with Bruce...

Space, Rockets, and a Senatorial Encounter in Huntsville, Alabama

August 29, 2018 15:00 - 56 minutes - 51.5 MB

Host Mat Kaplan begins a two-episode visit to Huntsville and the Marshall Space Flight Center, recorded this week at the US Space and Rocket Center with astronaut Don Thomas, 94-year-old Apollo engineer Alex McCool, and Alabama Senator Doug Jones.  Bruce Betts sets us on a search for the nearest black hole in this week’s What’s Up space trivia contest. Learn and hear more at: http://www.planetary.org/multimedia/planetary-radio/show/2018/0829-2018-huntsville-doug-jones.htmlLearn more about you...

Pluto Occults! Join Us on the Mountain

August 22, 2018 15:00 - 36 minutes - 33.4 MB

Pluto passed in front of a star on the evening of August 14. Mat Kaplan joined pro and amateur astronomers on a mountain to observe this rare event. It may reveal more about the dwarf planet’s tenuous atmosphere and other properties. Everyone hopes that Mars Exploration Rover Opportunity will phone home when the waning worldwide Martian dust storm allows the robot to charge its batteries. Digital Editor Jason Davis tells us about the online mistake that had some fans believing it had already ...

Giving Mysterious Venus the Love (and Science) She Deserves

August 15, 2018 15:00 - 55 minutes - 51.2 MB

We have so much to learn about Venus, says JPL scientist Sue Smrekar.  What we learn will help us understand our own world and Mars.  Sue joins us this week to make a great case for a new Venus orbiter. The Parker Solar Probe has begun its exciting journey to “touch the Sun.” Our MaryLiz Bender talks with mission leaders before and after the launch. Bruce Betts and Mat Kaplan have two great space trivia contests to wrap up right after they take us on another What’s Up tour of the solar system...

Dark Energy’s Co-Discoverer and the Leader of Chinese Space Science

August 08, 2018 15:00 - 39 minutes - 36.2 MB

It has been 20 years since we learned the expansion of the universe is accelerating due to the mysterious force called dark energy. Saul Perlmutter shared the Nobel Prize in Physics because of his contributions. Now he shares his thoughts with us.  Also at this year’s COSPAR Assembly in Pasadena was the Director General of China’s National Space Science Center, Wang Chi.  Have you played with Eyes on the Solar System?  JPL’s Kevin Hussey conceived of the NASA Eyes app that will take you acros...

Space Policy Edition: Destination…Mars? Contradictions and Principles

August 03, 2018 18:00 - 1 hour - 55 MB

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. Does that extension undermine efforts to get to Mars? What about the Moon? Casey and Jason also introduce The Planetary Society's new principles for human spaceflight, which provide a framework by which the or...

Diving Into That Lake on Mars

August 01, 2018 15:00 - 47 minutes - 43.6 MB

Our world was rocked by last week’s announcement of good radar evidence for a liquid water “lake” under the Red Planet’s south pole.   Senior Editor Emily Lakdawalla introduces us to the story that is then taken up by two of host Mat Kaplan’s favorite Martians.  The Goddard Space Flight Center’s James Garvin headed NASA’s Mars exploration program, while NASA Ames astrobiologist Chris McKay co-founded the Mars Underground more than 35 years ago. Look up!  Mars is still close by, and the Persei...

Hayabusa2 Reaches a Dark Diamond in Space

July 25, 2018 15:00 - 53 minutes - 48.9 MB

Japan’s Hayabusa2 is just 6 kilometers from asteroid Ryugu as it prepares to snatch samples of the space rock for return to Earth.  ISAS/JAXA Director General and former Hayabusa Mission Project Manager Hitoshi Kuninaka joins us for a conversation about the spacecraft and what’s ahead.  Then we hear from Hansjörg Dittus of the German Aerospace Center (DLR) about the German/French lander called MASCOT that was carried to Ryugu by Hayabusa2. Emily Lakdawalla is the new editor of the Planetary S...

An African Observatory Hunts Killer Asteroids

July 18, 2018 15:00 - 42 minutes - 39.4 MB

One of the Planetary Society’s 2018 Shoemaker Near-Earth Object grants has gone to astronomers searching the sky from a mountaintop in the North African nation of Morocco.  Observer Michel Ory tells us about their work.  Tim Spahr ran the Minor Planet Center for many years.  He has moved from that worldwide coordinator for asteroid and comet discoveries to NEO Sciences LLC, and served once again as chair of the Shoemaker NEO judging committee.  Wait till you hear what poor Yuri Gagarin had fo...

Something Old and Something New: Exciting Research on the International Space Station

July 11, 2018 15:00 - 50 minutes - 46.5 MB

Sextants have helped sailors find their way across oceans for centuries. Now one is onboard the International Space Station so that astronauts can learn to find their way across the solar system even if other technologies fail. Reaching the ISS on the same supply mission was the Cold Atom Lab.  It may achieve the lowest temperatures in the universe, helping to unlock cosmic secrets.  Every naked eye planet is visible!  Bruce Betts will tell you where to look in What’s Up.  Learn more about al...

Space Policy Edition: Space Force! With Special Guest Brian Weeden

July 06, 2018 18:00 - 1 hour - 97.6 MB

The President recently ordered the creation of Space Force—but what does that mean? What are the implications for militarization of space? National security expert Dr. Brian Weeden joins the show to explain the announcement. Weeden also breaks down Space Policy Directive #3, which directs the Department of Commerce to begin tracking space debris and other potential dangers to spacecraft in Earth orbit. Casey, Jason and Mat take a detour to discuss the James Webb Space Telescope's latest breac...

Dwarf Planet Ceres Thrills as a Dying Visitor Closes In

July 04, 2018 15:00 - 32 minutes - 29.5 MB

Ceres is the queen of the asteroid belt.  Her first Earthly visitor is nearing its last days in spectacular style.  Dawn Mission Director and Chief Engineer Marc Rayman returns with stunning images taken from just 35 kilometers or 22 miles above the dwarf planet, and a preview of the spacecraft’s last days.  Planetary Society Chief Scientist Bruce Betts has a summer guide to the night sky, looks back in space exploration history and delivers another Random Space Fact.  He and Mat Kaplan also ...

It’s Asteroid Week with NASA’s Planetary Defense Officer

June 27, 2018 15:00 - 40 minutes - 37.3 MB

The dinosaurs regret their lack of a space program.  200 million years later, humans are gearing up to defend themselves from a species-ending rock.  The many challenges involved are addressed in a new strategic action plan created by sixteen agencies of the US government.  NASA’s Planetary Defense Officer, Lindley Johnson, and his associate, Kelly Fast, take us inside the plan.  Planetary Society CEO Bill Nye the Science Guy applauds the growing worldwide attention to Near Earth Objects. By ...

Kathryn Sullivan, Space Dentistry and More at the International Space Development Conference

June 20, 2018 15:00 - 45 minutes - 42 MB

Freeman Dyson wasn’t the only space star at the ISDC.  Mat talks with former astronaut and NOAA Administrator Kathryn Sullivan, leaders of the Cassini mission, innovative students and an expert on dental care in space.  Keep flossing!  Planetary Society Director of Space Policy Casey Dreier has the latest budget info from Washington and tells us about Space Policy Directive-3. Bruce and Mat have picked the name for the supermassive black hole that lurks at the center of the Milky Way galaxy. ...

A Conversation with Freeman Dyson

June 13, 2018 15:00 - 39 minutes - 36.4 MB

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.  He has much to say to Mat Kaplan about the future of space exploration and humanity in this week’s show.  NASA has announced two exciting papers based on discoveries by Curiosity, the Mars Science Laboratory Rover.  Emily Lakdawalla has the straight story.  And we’ve got one more signed copy of “Chasing New Horizons” to giv...

It’s Rocket Science: Testing PlanetVac in the Mojave Desert

June 06, 2018 15:00 - 48 minutes - 44.9 MB

Join Mat Kaplan in California’s Mojave Desert for special coverage of not one but two rocket flights and a real world test of PlanetVac, the innovative, radically simple way to collect surface samples from other worlds.  PlanetVac replaced one foot of a Masten Space Systems Xodiac rocket for back-to-back hops across a test site.  We also talk with Masten CEO Sean Mahoney. Planetary Society Chief Scientist Bruce Betts also made the trip.  He’ll also open a super massive contest for PlanRad lis...

Space Policy Edition: Space Policy Directive 2—This Time it's Commercial

June 01, 2018 18:00 - 1 hour - 65.8 MB

President Trump just signed a new space policy directive targeting the regulations surrounding commercial spaceflight. Casey Dreier, Jason Davis and Mat Kaplan dive into the implications of the new directive and what it means for the relationship between government and space. They also break down all of the good news in the House's new funding bill for NASA, and highlight NASA Administrator Jim Bridenstine's turnaround on climate change. More resources to explore this month’s topics are at  h...

A Sacred Place: The National Air and Space Museum with Ellen Stofan

May 30, 2018 15:00 - 35 minutes - 32.1 MB

Planetary geologist Ellen Stofan has just become Director of the most popular museum in the United States.  The NASM protects and shares the greatest collection of space and aviation treasures on Earth. Mat Kaplan talks with the former NASA Chief Scientist about her new job and how the museum serves to inspire and inform millions each year.  Senior editor Emily Lakdawalla prepares us for an exciting encounter between Japan’s Hayabusa 2 spacecraft and asteroid Ryugu.  Harry Potter fans, rejoic...

Chasing New Horizons to Pluto with Alan Stern and David Grinspoon

May 23, 2018 15:00 - 54 minutes - 50.2 MB

The New Horizons mission was a triumph, revealing Pluto as an utterly unique and beautiful world. But the mission first had to survive challenge after challenge, fighting to be developed, meeting a nearly impossible launch deadline, and then narrowly avoiding disaster when it was barely a week from its destination. The entire dramatic tale has now been told by Principal Investigator Alan Stern and his co-author, astrobiologist David Grinspoon.  They join Mat Kaplan to talk about their book, C...

Why Mars? We’ve Got the Answers

May 16, 2018 15:00 - 38 minutes - 35.7 MB

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.  Bruce Betts later joins Mat to explore the Demon Star.  Learn more about this week’s topic and see images here: http://www.planetary.org/multimedia/planetary-radio/show/2018/0516-h2m-why-mars-panel.htmlGuests include: Filmmaker Nicholas Agnew, creator of Seat 25Consultant...

Amy Mainzer: Asteroid Hunter

May 09, 2018 15:00 - 36 minutes - 33.3 MB

After taking over 10 million images of more than 30,000 solar system objects, the NEOWISE mission is finally in its last months.  Principal Investigator Amy Mainzer returns with an update on this phenomenal success and a look ahead toward a much more powerful asteroid and comet hunter called NEOCam.  It’s not just about defending our planet.  We are learning the origin story of Earth and other worlds.  Bruce Betts also shares a story or two, along with a new space trivia contest, in this week...

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

May 04, 2018 17:00 - 1 hour - 57.8 MB

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? Will there be new commercial space stations in the near future, and will they serve NASA's needs? Also, the confirmation of Jim Bridenstine as NASA Administrato...

All Shook Up: The InSight Mission to Mars

May 02, 2018 15:00 - 1 hour - 75 MB

No mission to Mars has done what InSight will do.  The lander’s spectacularly sensitive instruments will use the Red Planet’s heat and marsquakes to reveal its deep interior while also revealing secrets of other rocky worlds like our own Earth.  Principal Investigator Bruce Banerdt came to Planetary Society headquarters barely a week before launch for a long and fascinating conversation. Planetary Society CEO Bill Nye says the European Space Agency’s Gaia spacecraft has mapped our galaxy as n...

Planetary Radio Live! – Celebrating Curiosity on Mars

April 25, 2018 15:00 - 1 hour - 87.4 MB

Join us for an utterly fascinating live conversation with Emily Lakdawalla about her brand new book, The Design and Engineering of Curiosity: How the Mars Rover Performs Its Job. Also joining us at Caltech were Curiosity Project Scientist Ashwin Vasavada and JPL Research Scientist Abigail Fraeman. Bruce Betts and Mat Kaplan close out the evening with a live edition of What’s Up, including the space trivia contest.  Learn more about this week’s topics and see images here: http://www.planetary....

Yuri’s Night 2018!

April 18, 2018 15:00 - 54 minutes - 50.1 MB

Host Mat Kaplan once again attends the worldwide party for space.  Join him at the Los Angeles celebration under Space Shuttle Endeavour.  You’ll hear conversations with astronauts Nicole Stott and Anousheh Ansari, Virgin Galactic CEO George Whitesides, Planetary Society CEO Bill Nye the Science Guy and others.  Then test your space history and trivia knowledge with Planetary Society Chief Scientist Bruce Betts.  Learn more about this week’s topics and see images here: http://www.planetary.or...

Visiting the Earth-Like Worlds of TRAPPIST-1

April 11, 2018 15:00 - 31 minutes - 28.8 MB

We have begun to understand the composition of worlds that are hundreds of trillions of kilometers from Earth. Astronomer Nikole Lewis is co-leader of a team that has used the Hubble Space Telescope to do this with the four Earth-like planets circling a star called TRAPPIST-1. Host Mat Kaplan talks with Digital Editor Jason Davis about a new probe designed to discover thousands of additional exoplanets.  Want to win a Planetary Radio t-shirt? Answer this week’s space trivia question posed by ...

Space Policy Edition: Lori Garver on what a NASA Administrator (and Deputy) actually does

April 06, 2018 17:00 - 1 hour - 70.6 MB

Lori Garver, former Deputy Administrator of NASA, talks with Casey about what the Deputy and Administrator jobs are like day-to-day, how decisions actually get made at the top, and why the current lack of confirmed leadership hurts the space agency. Casey, Space Policy Advisor Jason Callahan and Planetary Radio host Mat Kaplan also review the great news about the NASA budget, and reveal the possible fallout from the further delay in launch of the James Webb Space Telescope.More resources to e...

Guests

Bill Nye
10 Episodes
Ray Bradbury
7 Episodes
Carl Sagan
5 Episodes
Ann Druyan
4 Episodes
Neil Armstrong
3 Episodes
Arthur C. Clarke
2 Episodes
Buzz Aldrin
2 Episodes
Dava Sobel
2 Episodes
David Brin
2 Episodes
Freeman Dyson
2 Episodes
Jill Tarter
2 Episodes
Neil deGrasse Tyson
2 Episodes
Paul Davies
2 Episodes
Stephen Hawking
2 Episodes
Carolyn Porco
1 Episode
Charles Elachi
1 Episode
David Grinspoon
1 Episode
Kathryn Sullivan
1 Episode
Larry Niven
1 Episode
Mary Roach
1 Episode
Mike Rowe
1 Episode
Mike Simmons
1 Episode

Books

Master of the Moon
1 Episode