Program Archives

GREGORY AND JAMES BENFORD ON BENFORD BEACONS FOR SETI
October 4, 2010
Guests: Greg Benford, Jim Benford
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Greg and Jim Benford return to Planetary Radio, this time to talk about their rethinking of the Search for Extraterrestrial Intelligence. The twin brothers believe "classical" SETI may not have been...  more »

NEW ERA OF SCIENCE ON THE INTERNATIONAL SPACE STATION
September 27, 2010
Guests: Mark Uhran
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Mark Uhran is NASA's Assistant Associate Administrator for the International Space Station. He shares his excitement as the Station transitions from assembly to full-time science. Emily Lakdawalla...  more »

NEW BEGINNINGS WITH LOU FRIEDMAN
September 20, 2010
Guests: Louis Friedman
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Lou Friedman has retired from his position as Executive Director of the Planetary Society, a job he held for thirty years. We'll talk with the Society co-founder about the new beginnings...  more »

SOLAR PROBE PLUS WILL FLY TO THE SUN
September 13, 2010
Guests: Lika Guhathakurta
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How do you protect a spacecraft that will fly right into the Sun's corona? Solar Probe Plus Program Scientist Lika Guhathakurta tells us how NASA will make it work, and the mysteries that may be...  more »

WATER: NOW IT HAS BEEN FOUND ON AN ASTEROID!
September 6, 2010
Guests: Andrew Rivkin
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Andrew Rivkin led one of two independent teams that announced the discovery of water ice coating a distant asteroid. He talks with us about this find and its significance. The most beautiful...  more »

RAY BRADBURY TURNS 90 AND THE BEST MARS MAP EVER
August 30, 2010
Guests: Ray Bradbury, Phil Christensen
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Ray Bradbury's hometown of Los Angeles celebrates his birthday at city hall, while Phil Christensen's THEMIS team has created Earth's most accurate map of Mars. Emily Lakdawalla is at her space...  more »

SPECIAL COVERAGE OF SETICON
August 23, 2010
Guests: Seth Shostak, Jill Tarter, Frank Drake
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Join us for a day at the first public conference dedicated to the Search for Extraterrestrial Intelligence, featuring Frank Drake, Seth Shostak and Jill Tarter. Bill Nye salutes the SETI...  more »

TALKING WITH MARY ROACH, AUTHOR OF PACKING FOR MARS
August 16, 2010
Guests: Mary Roach
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The author of Stiff says life in the void is hard but worth the trouble. She joins us to talk about her hilarious and very informative new book that looks at the indignities and trials of...  more »

THE GIANT MAGELLAN TELESCOPE
August 9, 2010
Guests: Patrick McCarthy
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Giant Magellan Telescope Director Patrick McCarthy. Emily Lakdawalla on Mars' acne. Bill Nye says a solar sail could test relativity.  more »

THE SUN - THIEF OF COMETS
August 2, 2010
Guests: Hal Levison
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A computer model indicates that most of the comets in the vast Oort Cloud were stolen by the Sun billions of years ago. The Southwest Research Institute's Hal Levison describes his team's findings....  more »