Program Archives

THE SPACEUP UNCONFERENCE AND A FREE ONLINE ASTRONOMY CLASS
January 23, 2012
Guests: Bruce Betts, Chris Radcliff, Marimikel Charrier
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An opportunity to learn, and an opportunity to hang out with other space geeks—both are presented in this week's show as we talk with planetary scientist Bruce Betts about his free, online Intro to...  more »

EMILY LAKDAWALLA'S SPECIAL REPORT ON THE AMERICAN GEOPHYSICAL UNION FALL MEETING
December 12, 2011
Guests: Emily Lakdawalla, Bill Nye
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More than 22,000 scientists have returned home from the AGU's big meeting in San Francisco. They include our own Emily Lakdawalla, who tells us about some of the fascinating research unveiled at the...  more »

ALL-STAR CALTECH PANEL DISCUSSION: MOVING AN ASTEROID
October 17, 2011
Guests: Rusty Schweikart, Tom Jones, John Lewis, Louis Friedman, Bill Nye
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Why bring an asteroid closer to Earth? Don't we want to push them away? Both goals are considered by Lou Friedman, Tom Jones, John Lewis, Bill Nye, and Rusty Schweikart in highlights of a recent...  more »

VISITING VESTA FIESTA, WITH PABLO GUTIERREZ-MARQUES OF THE DAWN MISSION
August 15, 2011
Guests: Pablo Gutierrez-Marques
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JPL and NASA celebrated Dawn's arrival at Vesta, second largest object in the asteroid belt, with a public celebration. The Planetary Society and Planetary Radio join the party in this special...  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 »

STARDUST-NEXT ENCOUNTERS COMET TEMPEL 1
February 28, 2011
Guests: Jessica Sunshine, Emily Lakdawalla
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Jessica Sunshine returns to talk about the flyby of comet Tempel 1 by Stardust-NExT. She is joined by Emily Lakdawalla and Mat Kaplan.  more »

ASTOUNDING COMET HARTLEY 2
November 22, 2010
Guests: Jessica Sunshine
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Deputy Principal Investigator Jessica Sunshine returns to share her excitement about the Deep Impact spacecraft's flyby of Hartley 2, the most active comet ever observed up close. Emily Lakdawalla on...  more »

RETURN TO DPS WITH LUCY MCFADDEN AND CAROLYN CROW
October 25, 2010
Guests: Lucy McFadden, Carolyn Crow
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We had more good stuff to share after we reported from the Division for Planetary Sciences annual meeting two weeks ago. Planetary scientist Lucy McFadden chased a meteorite in the Sudan, while her...  more »

WATER: NOW IT HAS BEEN FOUND ON AN ASTEROID!
September 6, 2010
Guests: Andrew Rivkin
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Andrew Rivkin led one of two independent teams that announced the discovery of water ice coating a distant asteroid. He talks with us about this find and its significance. The most beautiful...  more »

THE SUN - THIEF OF COMETS
August 2, 2010
Guests: Hal Levison
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A computer model indicates that most of the comets in the vast Oort Cloud were stolen by the Sun billions of years ago. The Southwest Research Institute's Hal Levison describes his team's findings....  more »