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Browse Past ShowsProgram ArchivesBrowse by Subject: Extrasolar Planets
JUDGING A PLANET'S HABITABILITY WITH ABEL MENDEZ
October 26, 2009 Guests: Abel Mendez Select Format: MP3 Windows Media Nearly 400 exoplanets discovered so far, and a truly terrestrial planet may be found soon. Abel Mendez has proposed a system for evaluating any planet's ability to support life, including our... more »
KEPLER BEGINS SEARCH FOR OTHER EARTHS
May 11, 2009 Guests: William Borucki Select Format: MP3 Windows Media 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 »
EXOPLANET FINDER DEBRA FISCHER
March 23, 2009 Guests: Debra Fischer Select Format: MP3 Windows Media
More than 300 planets have been discovered circling other stars, but when will we find an Earth-sized one? Astronomer Debra Fischer describes
BILLIONS AND BILLIONS OF EARTHLIKE PLANETS?
April 21, 2008 Guests: Michael Meyer Select Format: MP3 Windows Media What if many or even most of the stars in our galaxy have rocky planets? Now there's evidence of just that from the team of scientists led by University of Arizona astronomer Michael Meyer. He... more »
ANALYZING ALIEN ATMOSPHERES
April 7, 2008 Guests: Mark Swain Select Format: MP3 Windows Media Mark Swain of the Jet Propulsion Laboratory leads the team that has found methane in the atmosphere of a planet orbiting another star. This is the first time an organic molecule has been found on an... more »
PLANETARY RADIO 5TH ANNIVERSARY SHOW: ASTRONOMER GEOFF MARCY ON DISCOVERY OF FIFTH PLANET IN STAR SYSTEM
November 26, 2007 Guests: Geoff Marcy Select Format: MP3 Windows Media We celebrate our 5th anniversary by learning about discovery of a five-planet star system, the largest found so far. Q&A on Jupiter's red spot. more »
DEEP IMPACT RETURNS FOR AN INTERPLANETARY THREE-FOR-ONE
July 9, 2007 Guests: Mike A'Hearn Select Format: MP3 Windows Media Deep Impact wowed the world with its explosive investigation of a comet two years ago. Now the spacecraft has been given a new mission that combines two very different tasks. We talk with then and... more »
THE MOST EARTHLIKE EXTRASOLAR PLANET YET -- A CONVERSATION WITH CO-DISCOVERER STEPHANE UDRY
April 30, 2007 Guests: Stephane Udry Select Format: MP3 Windows Media 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 »
CHECKING THE WEATHER FROM FORTY LIGHT YEARS AWAY!
February 5, 2007 Guests: Joe Harrington Select Format: MP3 Windows Media We're not just discovering lots of extrasolar planets, we're beginning to learn what these new worlds are like. Joe Harrington is part of a team that used the Spitzer Space Telescope to determine... more »
A PLANETARY POPULATION EXPLOSION? DAVA SOBEL HOPES SO
August 21, 2006 Guests: Dava Sobel Select Format: MP3 Windows Media Do we now live in a solar system with twelve or many more official planets? Galileo's Daughter author Dava Sobel was the only non-scientist on the International Astronomical Union's Planet... more »
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