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Browse by Guest: John Spencer


FLYING THROUGH THE GEYSERS OF ENCELADUS
March 31, 2008
Guests: John Spencer
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The Southwest Research Institute's John Spencer returns to tell us about the Cassini spacecraft's recent flight through the gas and dust plumes shooting out of Saturn's moon Enceladus. Emily...  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 »

NEW HORIZONS APPROACHES JUPITER!
January 29, 2007
Guests: John Spencer
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John Spencer returns to preview New Horizons' upcoming encounter with the Jovian system, now less than a month away. John is Deputy Leader of the Jupiter Encounter Science Team. Why does comet...  more »

A GREAT WEEK FOR SPACE EXPLORATION
January 23, 2006
Guests: John Spencer, Andrew Westphal
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Andrew Westphal on what's been found in the Stardust Sample Return Capsule and John Spencer on the New Horizons launch and the upcoming Jupiter flyby.  more »

NASA ADMINISTRATOR MICHAEL GRIFFIN, AND YOUR TICKET TO SPACE
December 12, 2005
Guests: Michael Griffin, Peter Diamandis, Alex Tai, John Spencer, Jeff Greason, Stacy Tearne
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We feature remarks by NASA Administrator Mike Griffin and excerpts from a panel discussion on the status of space tourism, both recorded at the Transforming Space conference in California. Emily...  more »