Program Archives

THE MOST EARTHLIKE EXTRASOLAR PLANET YET -- A CONVERSATION WITH CO-DISCOVERER STEPHANE UDRY
April 30, 2007
Guests: Stephane Udry
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Gliese 581c is just a bit bigger than Earth and orbits in the so-called habitable zone, where water could be liquid on its surface. You'll hear from Stephane Udry of the Geneva Observatory, one of...  more »

SCIENCE FICTION AUTHOR KIM STANLEY ROBINSON SAVES EARTH!
April 23, 2007
Guests: Kim Stanley Robinson
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With "Sixty Days and Counting" multi-award winning author Kim Stanley Robinson has finished his trilogy of novels about cataclysmic global climate change and how science and government might be able...  more »

SPACEWARD BOUND: CHRIS MCKAY LEADS SCIENTISTS AND TEACHERS IN THE MOJAVE DESERT
April 16, 2007
Guests: Chris McKay
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Mat visits NASA's program that put middle and high school science teachers together with planetary scientists in California's desert to research how we'll detect life elsewhere in the solar system. ...  more »

COSMOLOGY: FIVE BIG THINGS YOU NEED TO KNOW
April 9, 2007
Guests: Liz Kruesi
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Astrophysics grad student Liz Kruesi asked cosmologists for the questions they get asked by the public. She covers the five biggest in the new May edition of Astronomy magazine. From the Big Bang...  more »

A SEA UNDER THE SOUTH POLE OF ENCELADUS?
April 2, 2007
Guests: Geoffrey Collins
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Planetary scientist Geoffrey Collins thinks there may be a liquid water sea under the surface of Saturn's little moon Enceladus. He talks about this theory and his fascination with other icy moons...  more »

MARS EXPRESS CONFIRMS LOTS OF POLAR ICE! WHERE'S THE REST?
March 26, 2007
Guests: Jeffrey Plaut
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Jet Propulsion Lab Principal Scientist Jeffrey Plaut is also a Co-Principal Investigator on the MARSIS radar carried by the European Space Agency's Mars Express Orbiter. He talks about what the...  more »

LOU FRIEDMAN ON THE INTERNATIONAL LUNAR DECADE
March 19, 2007
Guests: Louis Friedman
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It promises to be an intense period of lunar science and exploration, with an unprecedented level of global participation. Planetary Society Executive Director believes it should be made official as...  more »

EUROPE'S ROSETTA ON ITS WAY TO A COMET
March 12, 2007
Guests: Gerhard Schwehm
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Project Scientist Gerhard Schwehm reports on Rosetta's recent successful flyby of Mars and what's in store for the spacecraft even before it goes into orbit around a comet and launches a lander. ...  more »

TRIUMPH AT JUPITER!
March 5, 2007
Guests: Alan Stern, John Spencer
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Special coverage of the successful New Horizons encounter with Jupiter and its moons. The Planetary Society's Bruce Betts traveled to the Applied Physics Lab where a team of scientists and engineers...  more »

ALAN STERN AS NEW HORIZONS REACHES JUPITER
February 26, 2007
Guests: Alan Stern, Cheryl Wheeler
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Two very different encounters with Jupiter this week. First up is Alan Stern, Principal Investigator for the New Horizons mission, with an update on this week's flyby. Then a special visit with...  more »