Program Archives

SUPERNOVA: HOW TO BLOW UP A STAR
October 2, 2006
Guests: Thomas Janka
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Astrophysicists are beginning to build the mathematical models complex enough to explain how stars explode. We talk with Thomas Janka of the Max Planck Institute for Astrophysics in Germany. Emily...  more »

BRIAN MARSDEN SAYS EIGHT (PLANETS) IS ENOUGH
September 25, 2006
Guests: Brian Marsden
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Brian Marsden has just retired as Director of the International Astronomical Union's (IAU's) Minor Planet Center, where discoveries about comets, asteroids, and other bodies are reported and...  more »

BEAM UP TO THE STAR TREK 40TH ANNIVERSARY CONVENTION IN LAS VEGAS
September 18, 2006
Guests: Robert Picardo, Rod Roddenberry, Mike Okuda
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We go where no space show has gone before! Mat Kaplan spent two days at the official Star Trek convention. You'll hear Trek star Bob Picardo, Rod Roddenberry, Mike and Denise Okuda on the upcoming...  more »

PROTESTING THE IAU PLANET DEFINITION AND A SMART-1 LUNAR IMPACT RECAP
September 11, 2006
Guests: Mark Sykes, Detlef Koschny
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We have a busy show -- Mark Sykes, Director of the Planetary Science Institute, talks about his petition to the International Astronomical Union protesting its planet definition. And we look back a...  more »

BACK TO THE ARCTIC...IN A SPACESUIT!
September 4, 2006
Guests: Jake Maule, Andrew Steele
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A satellite telephone report from Andrew Steele and Jake Maule of AMASE (Arctic Mars Analoge Svalbard Expedition). Maule wore a new design of spacesuit during much of the just-completed expedition,...  more »

EASY COME, EASY GO: ASTRONOMER MIKE BROWN ON OUR EIGHT-PLANET SOLAR SYSTEM
August 28, 2006
Guests: Mike Brown
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CalTech's Mike Brown returns to Planetary Radio to talk about the International Astronomical Union's new definition of a planet, one that downgrades Pluto and some of Mike's discoveries to "dwarf"...  more »

A PLANETARY POPULATION EXPLOSION? DAVA SOBEL HOPES SO
August 21, 2006
Guests: Dava Sobel
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Do we now live in a solar system with twelve or many more official planets? Galileo's Daughter author Dava Sobel was the only non-scientist on the International Astronomical Union's Planet...  more »

A VOYAGER MILESTONE WITH ED STONE
August 14, 2006
Guests: Ed Stone
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Voyager 1 is farther from Earth than any other human-made object, reaching 100 Astronomical Units, or 9.3 billion miles, this week. We talk with former Jet Propulsion Laboratory Director Ed Stone,...  more »

YOU CAN SEARCH FOR STARDUST!
August 7, 2006
Guests: Andrew Westphal
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UC Berkeley's Andrew Westphal returns to celebrate the public premiere of Stardust@home, the project that will allow you to search for...  more »

LAKES ON TITAN AND AN INTERNATIONAL LUNAR DECADE
July 31, 2006
Guests: Rosaly Lopes, Louis Friedman
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There are lakes on Saturn's moon Titan! We'll hear about them from JPL's Rosaly Lopes. Lou Friedman returns from China where he unveiled a proposal for an International Lunar Decade. Emily...  more »