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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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10 Years A Roving: A.J.S. Rayl on the Mars Exploration Rovers

December 23, 2013 • 53:17

What a long, wonderful trip it has been for Spirit and Opportunity, the Mars Exploration Rovers. Planetary Society reporter A.J.S. Rayl has been writing about their adventure every month for ten years. She looks back on this week’s show.

Celebrating the Admiral of the Solar System

December 02, 2013 • 29:30

The life of explorer and teacher Dr. Bruce Murray was celebrated last November 10th at Caltech. This week we present a few excerpts from the tributes paid to the former JPL Director and co-founder of the Planetary Society.

Remembering Bruce Murray

September 02, 2013 • 49:32

The passing of Planetary Society co-founder and former JPL Director Bruce Murray has been marked around the world. Planetary Radio takes its turn with this special tribute.

Touring Mt. Wilson with George Ellery Hale's Descendants

July 15, 2013 • 28:50

On this special vacation edition of the show, we climb to the Mount Wilson Observatory to join a special tour for the descendants of the facility’s fascinating founder, George Ellery Hale.

Yuri's Night 2013 Under Space Shuttle Endeavour

April 15, 2013 • 30:30

Planetary Radio Live was on stage at the World Space Party with guests George and Loretta Whitesides and Bobak "Mohawk Guy" Ferdowsi.

Celebrating Carl Sagan With Lou Friedman, Lynda Obst, Kip Thorne and More

November 12, 2012 • 30:39

November 9 was Planetary Society founder Carl Sagan's birthday, so we gathered a few of his close friends and several young scientists he inspired in front of a live audience. They also helped us celebrate Planetary Radio's 10th anniversary!

Curiosity Sniffs Martian Air/Shuttle Endeavour Opens to the World

November 05, 2012 • 30:58

Scientists have revealed the first data gathered by Curiosity, the Mars Science Laboratory Rover, about the Martian atmosphere, while Space Shuttle Endeavour has opened to the public.

Celebrating 35 Years of the Voyager Mission

September 17, 2012 • 28:50

Voyagers 1 and 2 just reached 35 years of travel in space. What a great reason to celebrate! Join Voyager Project Scientist Ed Stone, Ann Druyan, Emily Lakdawalla and Robert Picardo in this special live edition of our show. Bill Nye reports on a separate celebration in London and on the International Space Station, and Bruce Betts is back in fine form with Mat Kaplan for this week’s What’s Up.

Remembering Neil Armstrong/ChemCam is Zapping Martian Rocks!

August 27, 2012 • 32:11

Emily Lakdawalla and Bill Nye the Science Guy join Mat Kaplan for a special remembrance of Neil Armstrong. Then we visit with the principal investigator for the first ray gun on Mars. Roger Wiens leads the ChemCam team that is using its powerful laser to zap and analyze Martian rocks. It’s just one of the Curiosity Rover success stories. Win a ChemCam bumper sticker and a Planetary Radio t-shirt in the weekly What’s Up space trivia contest!

More From the Air and Space Museum

June 25, 2012 • 28:50

Our special live show at the National Air and Space Museum continues with curator David DeVorkin, Space Policy Institute founder John Logsdon, Bill Nye the Science Guy, Planetary Society blogger Emily Lakdawalla and science rapper Funky 49.

Live at the National Air and Space Museum

June 18, 2012 • 29:52

Join us for the first half of a conversation with David DeVorkin, John Logsdon and Bill Nye.

Voyager 1 at the Edge of the Solar System, With Ed Stone

February 07, 2011 • 0:28:52

Voyager 1 at the Edge of the Solar System, With Ed Stone

Ann Druyan on New Honors for Carl Sagan

September 22, 2008 • 0:28:52

Longtime partner Ann Druyan is proud of NASA's new Carl Sagan Fellowships. Bill Nye has a tribute for his old professor.

Cosmos 1: Solar Sail Special Report

June 27, 2005 • 0:28:50

Cosmos 1: Solar Sail Special Report

A Conversation with Sally Ride

April 18, 2005 • 0:28:50

A Conversation with Sally Ride

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