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

September 07, 2018 • 1:25:07

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.

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.

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

July 06, 2018 • 1:46:33

President Trump 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.

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

June 20, 2018 • 45:51

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.

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

June 01, 2018 • 1:11:49

President Trump just signed a new space policy directive targeting the regulations surrounding commercial spaceflight. Casey Dreier, Jason Callahan, 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.

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?

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

April 06, 2018 • 1:17:07

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.

Space Policy Edition #23 - Blitzing Congress: Planetary Society volunteers visit Capitol Hill

March 02, 2018 • 35:33

Society members from 21 states descended on the U.S. capitol for a "blitz" of 178 meetings in two days. Casey and special guest Matt Renninger explain why that is such an important activity, and blitzers Leah and Stefanie Griffith share their story of coming to Washington to speak for space.

Space Policy Edition Special: The 2019 President’s Budget Request Unveiled

February 16, 2018 • 53:12

As promised, Casey Dreier and Jason Callahan are back with a special review of the just-released FY 2019 President’s Budget Request (PBR) for NASA. It contains good news, bad news and odd news. What is likely to stand? What will Congress ignore, going its own way? NASA’s new lunar ambitions, Mars Sample Return, WFIRST and more hang in the balance. Let the debate begin.

Space Policy Edition #21: Bill Nye and the State of the Union

February 02, 2018 • 30:28

Planetary Society CEO Bill Nye attended the State of the Union address on January 30th, he also spent the day meeting with sixteen different members of Congress to promote science on Capitol Hill. In this special abbreviated show, Casey Dreier and Mat Kaplan welcome their colleague Matt Renninger, who joined Bill on Capitol Hill, to discuss the goals of The Planetary Society and the reasons why it was important for Bill to attend.

Space Policy Edition #20: Looking back on the year in space policy. Also, your questions!

January 05, 2018 • 63:48

It’s the space policy guys’ turn to look back at a year that saw great achievements in space. Were they matched by events in Washington DC?

President Trump Sets Course for the Moon

December 13, 2017 • 31:52

On December 11th President Donald Trump signed a memorandum that firmly points the US space effort toward the Moon, but without providing many details. Planetary Society Director of Space Policy Casey Dreier fills in some of the gaps left by this executive directive.

Space Policy Edition #19: When did the private space age begin? Much earlier than you think.

December 01, 2017 • 1:32:58

Elon Musk. Jeff Bezos. Richard Branson. These are the names we tend to associate with the current era of private space exploration. But what about John Quincy Adams, James Lick, or Charles Yerkes? Space economist and historian Dr. Alex MacDonald joins us to discuss his book, "The Long Space Age," which chronicles the history of private investment in U.S. space exploration all the way back to the 18th century. Jason and Casey also discuss the consequences of the House GOP tax plan, which could raise taxes on thousands of graduate students. Also, the coming budget showdown and possible consequences for NASA projects.

Canada Rises…And So Does the Sun

November 22, 2017 • 32:30

Canada has a new Space Advisory Board, and The Planetary Society’s Kate Howells is a member.

The Honorable Adam Schiff: Another Congressional Space Enthusiast

November 15, 2017 • 36:07

Congressman Adam Schiff’s California district includes the Jet Propulsion Laboratory. He is as enthusiastic a fan of the final frontier as you are likely to find under the capitol dome in Washington D.C.

Space Policy Edition #18: Jim Bridenstine vs. the Senate and First Meeting of the National Space Council

November 03, 2017 • 59:45

The likely next Administrator of NASA, Jim Bridenstine, appeared before a somewhat skeptical Senate committee to defend his nomination. Casey and Jason recap the hearing and assess Congressman Bridenstine’s chance of moving forward.

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.

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?

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