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LUNAR RECONNAISSANCE ORBITER PROJECT SCIENTIST RICHARD VONDRAK
June 30, 2009
Guests: Richard Vondrak
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LRO is now circling the Moon, along with sister mission LCROSS and India's Chandrayaan 1. Richard Vondrak looks forward to the arrival of spectacular data and images that will help pick a landing...  more »

PHIL CHRISTENSEN WANTS YOUR HELP IMAGING MARS
June 22, 2009
Guests: Phil Christensen
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You can now help choose places on Mars for imaging by the Mars Odyssey orbiter's THEMIS camera. Principal Investigator Phil Christensen explains how. Bill Nye celebrates ten years of SETI@Home....  more »

EARTH OBSERVATION AT THE WORLD RESOURCES SIMULATION CENTER DESIGN EVENT
June 15, 2009
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In this special edition of the show we visit scientists, activists and others who gathered to begin creation of the WRSC. Mat talks to several attendees about the importance of viewing our planet...  more »

ALAN STERN'S BIGGEST PLANETARY SCIENCE MYSTERIES
June 8, 2009
Guests: Alan Stern
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Planetary scientist and New Horizons Principal Investigator Alan Stern recently came up with his list of the biggest unanswered questions in planetary science. He reviews most of them on this...  more »

CHRIS MCKAY ON THE PHOENIX MISSION'S BIG SURPRISE
June 1, 2009
Guests: Chris McKay
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NASA Planetary Scientist Chris McKay is a Co-Investigator on the Phoenix Mars Polar Lander Mission. He returns to Planetary Radio on the first anniversary of the landing to talk about the...  more »

NEW LIFE FOR HUBBLE SPACE TELESCOPE, NEW LEADER FOR NASA
May 25, 2009
Guests: Louis Friedman
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President Barack Obama has nominated former astronaut Charles Bolden as NASA's new Administrator. Planetary Society Executive Director Lou Friedman shares his thoughts about Bolden, NASA's...  more »

OLDEST BANG SINCE THE BIG BANG!
May 18, 2009
Guests: Neil Gehrels
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Neil Gehrels, Principal Investigator for the Swift Mission, returns to tell us about the most distant event ever observed, a Gamma Ray Burst more than 13 billion light years away. Bill Nye reports...  more »

KEPLER BEGINS SEARCH FOR OTHER EARTHS
May 11, 2009
Guests: William Borucki
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Will this new probe find Earth-sized planets in the so-called "habitable zone?" We talk with William Borucki, Science Principal Investigator for the mission. Bill Nye is keeping an eye on this...  more »

A MARS EXPLORATION ROVER UPDATE WITH PROJECT SCIENTIST BRUCE BANERDT
May 4, 2009
Guests: Bruce Banerdt
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Spirit and Opportunity continue their treks across the Red Planet more than five years after their arrival. Bruce Banerdt provides a status report. Bill Nye has something old and something new to...  more »

AMATEUR ASTRONOMERS AVOIDING ARMAGEDDON: NEW SHOEMAKER NEO GRANT AWARDEES
April 27, 2009
Guests: Dan Durda, Robert Holmes
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Shoemaker NEO Grant awardees get help with their search for and tracking of Near Earth Objects--asteroids that endanger...  more »