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Each week, Planetary Radio visits 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.

Find Planetary Radio on your local radio station.

Check out our archives. Shows dating back from our beginning.

Contact us at planetaryradio@planetary.org.

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This Week’s Show


RAY BRADBURY TURNS 90 AND THE BEST MARS MAP EVER August 30, 2010
Guests    Ray Bradbury, Phil Christensen
Listen    MP3  Windows Media  

Ray Bradbury's hometown of Los Angeles celebrates his birthday at city hall, while Phil...  more »



Recent Shows

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 »

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