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MIKE BROWN'S NEW BOOK: HOW I KILLED PLUTO AND WHY IT HAD IT COMING
December 13, 2010
Guests: Mike Brown
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The CalTech discoverer and destroyer of worlds celebrates his new book with a party. PlanRad is there to talk with him. Emily Lakdawalla laments the orbital insertion failure of a Japanese Venus...  more »

ARSENIC AND ODD LIFE
December 6, 2010
Guests: Mary Voytek
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PlanRad talks with NASA Astrobiology Program Director Mary Voytek about last week's announcement about the first lifeform that substitutes arsenic for phosphorous to support many basic life...  more »

KIDS IN SPACE!
November 29, 2010
Guests: Debbie Biggs
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No, no actual kids in space, just their experiments submitted to NASA's Kids in Micro-g program. Educational Specialist Debbie Biggs provides the details. Emily Lakdawalla helps make all of the...  more »

ASTOUNDING COMET HARTLEY 2
November 22, 2010
Guests: Jessica Sunshine
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Deputy Principal Investigator Jessica Sunshine returns to share her excitement about the Deep Impact spacecraft's flyby of Hartley 2, the most active comet ever observed up close. Emily Lakdawalla on...  more »

NEW MODEL FOR THE SEAS OF MARS
November 15, 2010
Guests: Alexis Rodriguez
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Research Scientist Alexis Rodriguez and his colleagues at the Planetary Science Institute have put forward a new model for the ancient formation of lakes and seas on the Red Planet. If their...  more »

SPECIAL LAUNCH COVERAGE FROM THE KENNEDY SPACE CENTER
November 8, 2010
Guests: Mat Kaplan
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Discovery didn't get off the pad, but we still had a great time at the Kennedy Space Center last week. Join us on this visit. Emily Lakdawalla and Bill Nye report on the fantastic success of...  more »

LOU FRIEDMAN: THE REBIRTH OF RUSSIAN SPACE EXPLORATION?
November 1, 2010
Guests: Louis Friedman
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The recently-retired founding Executive Director of the Planetary Society returned from the first Moscow Symposium on Solar System Exploration with cautious optimism.  Emily Lakdawalla is...  more »

RETURN TO DPS WITH LUCY MCFADDEN AND CAROLYN CROW
October 25, 2010
Guests: Lucy McFadden, Carolyn Crow
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We had more good stuff to share after we reported from the Division for Planetary Sciences annual meeting two weeks ago. Planetary scientist Lucy McFadden chased a meteorite in the Sudan, while her...  more »

LISTENING FOR THE BIG BANG WITH LISA
October 18, 2010
Guests: Tom Prince
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If funded, as just recommended by the National Research Council, the Laser Interferometer Space Antenna should detect the gravity waves generated by the universe's biggest explosions, including its...  more »

SPECIAL COVERAGE OF THE DIVISION FOR PLANETARY SCIENCES ANNUAL MEETING
October 11, 2010
Guests: Mark Swain, Bill Nye, Lindley Johnson
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The American Astronautical Society's DPS just completed its annual meeting in Pasadena, California. PlanRad provides special coverage with commentary by Bill Nye, presentation highlights from...  more »