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ATLANTIS: SPACE SHUTTLE LAUNCH PARTY
July 12, 2011
Guests: Mat Kaplan, Bruce Betts, Bill Nye
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The Planetary Society joined Southern California Public Radio to host a party for well over 150 space exploration fans, led by Bill Nye, Bruce Betts, and Mat Kaplan. Feel the excitement as the last...  more »

NBC SPACE CORRESPONDENT JAY BARBREE'S MOON SHOT
July 4, 2011
Guests: Jay Barbree
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Jay Barbree has covered human spaceflight for its entire fifty year history. His bestselling book, written with Mercury 7 astronauts Alan Shepard and Deke Slayton, has just been reissued as an...  more »

LEAVING FOR JUPITER WITH THE JUNO MISSION'S SCOTT BOLTON
June 27, 2011
Guests: Scott Bolton
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Juno leaves for our solar system's biggest planet in barely a month. Principal Investigator Scott Bolton updates us from the Kennedy Space Center. Emily Lakdawalla is watching giant asteroid Vesta...  more »

THE MYSTERY AND MUSIC OF SATURN'S ROTATION WITH DON GURNETT
June 20, 2011
Guests: Don Gurnett
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Saturn's northern and southern hemispheres do not rotate at different rates, but the data might make you think so. We get an explanation from space exploration pioneer Don Gurnett, the Cassini...  more »

MORE PLANETARY RADIO LIVE WITH MIKE BROWN
June 14, 2011
Guests: Mike Brown
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More fun from last week's show in front of a big Pasadena audience. Mike "Pluto Killer" Brown tells Bill Nye and Mat Kaplan about why he is looking forward to our first close-up view of that former...  more »

PLANETARY RADIO LIVE! FEATURING MIKE 'PLUTO-KILLER' BROWN
June 6, 2011
Guests: Mike Brown
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PlanRad goes in front of an enthusiastic Pasadena audience with Mike Brown, author of "How I Killed Pluto and Why It Had It Coming," Bill Nye the Science and Planetary Guy, and award-winning...  more »

SCATTERED CLOUDS AND FOG...ON MARS
May 30, 2011
Guests: Mark Lemmon
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Mark Lemmon is part of several missions to the Red Planet and led development of the main camera on the Phoenix Lander. He has become an expert on Martian weather and climate. Bill Nye is also...  more »

EINSTEIN AND GRAVITY PROBE B
May 23, 2011
Guests: Francis Everitt
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Principal Investigator Francis Everitt has been with the Gravity Probe B experiment for nearly fifty years. He tells us about the spacecraft's proofs of Einstein's General Theory of Relativity. A...  more »

DAWN APPROACHES GIANT ASTEROID VESTA
May 16, 2011
Guests: Marc Rayman
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After three-and-a-half years of ion-propelled flight, Dawn is finally on final approach to Vesta. We'll get a mission status report from Marc Rayman. No one is more enthusiastic about Dawn than Emily...  more »

THE MOON AS YOU'VE NEVER SEEN IT BEFORE
May 9, 2011
Guests: Richard Vondrak
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Almost 200 terabytes of data about the Moon have already been delivered by the Lunar Reconnaissance Orbiter. LRO Project Scientist Richard Vondrak returns to PlanRad with an update on this mission...  more »