Program Archives

OBSERVING EARTH: ANNMARIE ELDERING'S EYE ON OUR ATMOSPHERE
December 17, 2007
Guests: Annmarie Eldering
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JPL atmospheric scientist Annmarie Eldering is Deputy Principal Investigator for the Tropospheric Emission Spectrometer (TES) on the Earth observing satellite called Aura. She'll tell us how it is...  more »

A NEW GENERATION LOOKING FOR ET
December 10, 2007
Guests: Curtis Mead
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Young scientists and engineers in training are vital contributors to many research projects, including the All-Sky Optical Search for Extraterrestrial Intelligence at Harvard University. That's...  more »

STARDUST@HOME UPDATE FROM ANDREW WESTPHAL
December 3, 2007
Guests: Andrew Westphal
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Stardust@Home Director Andrew Westphal returns to Planetary Radio as the project prepares to extract the first bits of interstellar matter found by 23,000 trained volunteers. Emily Lakdawalla looks...  more »

PLANETARY RADIO 5TH ANNIVERSARY SHOW: ASTRONOMER GEOFF MARCY ON DISCOVERY OF FIFTH PLANET IN STAR SYSTEM
November 26, 2007
Guests: Geoff Marcy
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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 »

MARS EXPLORATION ROVER PROGRAM MANAGER JOHN CALLAS
November 19, 2007
Guests: John Callas
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Hard to believe it has been almost four years (and two Martian years) since the first Mars Exploration Rover crawled onto the surface of the Red Planet. John Callas of JPL provides a status report...  more »

TO PHOBOS AND BACK
November 13, 2007
Guests: Alexander Zakharov, Tom Duxbury, Bruce Betts
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Highlights of a Planetary Society seminar about the little potato-shaped moon of Mars. We'll hear from Tom Duxbury, Phobos expert at JPL, from Alexander Zakharov of the Russian Space Research...  more »

BUILDING THE J-2X ROCKET ENGINE FOR THE RETURN TO THE MOON
November 5, 2007
Guests: John Vilja
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John Vilja is Pratt and Whitney Rocketdyne's Program Manager in charge of building the latest version of a rocket engine with a very distinguished legacy. He tells us about its development and how...  more »

THE UNIVERSE IN ULTRAVIOLET: BILL BLAIR ON THE FUSE MISSION
October 29, 2007
Guests: Bill Blair
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The Far Ultraviolet Spectroscopic Explorer is dead, and astrophysicist Bill Blair helped to kill it. He tells us why, and shares the wonder of this very successful eight-year mission. Emily...  more »

MARK SHOWALTER: UNRAVELING THE MYSTERIES OF PLANETARY RINGS
October 22, 2007
Guests: Mark Showalter
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Planetary astronomer Mark Showalter of the SETI Institute's Carl Sagan Center for the Study of Life in the Universe is one of our planet's foremost experts on the rings surrounding Saturn and other...  more »

SPACE ELEVATOR GAMES AND SERIOUS PLANETARY SCIENCE
October 15, 2007
Guests: Ben Shelef, Emily Lakdawalla
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A busy show features a preview of the Spaceward Games from Spaceward Foundation co-founder Ben Shelef, working toward achieving the technology that would enable a space elevator. Then Emily...  more »