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Browse by Subject: Astronomy and Cosmology



NORTHROP GRUMMAN SPACE TECHNOLOGY PRESIDENT ALEXIS LIVANOS
September 8, 2008
Guests: Alexis Livanos
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Engineer, scientist, and executive Livanos talks about his company's fifty years of support for space science, the status of the James Webb Space Telescope, and his passionate concern about climate...  more »

THE ILLUSTRATED GUIDE TO ASTRONOMICAL WONDERS
September 1, 2008
Guests: Robert Bruce Thompson
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It may be the only book amateur astronomers need. We'll talk with Illustrated Guide to Astronomical Wonders co-author Robert Bruce Thompson. Bill Nye provides reassurance regarding dependence on...  more »

THE MILKY WAY: A NEW GALACTIC SELF-PORTRAIT
June 23, 2008
Guests: Bob Benjamin, Thomas Dame
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Astronomers have just announced findings that have reshaped understanding of our home galaxy. Bob Benjamin and Thomas Dame join us to explain. Emily Lakdawalla provides a Phoenix Mars mission...  more »

THE BRIGHTEST LIGHT IN THE UNIVERSE
April 28, 2008
Guests: Neil Gehrels
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The Swift spacecraft found the biggest explosion ever witnessed by humans just last month. This Gamma Ray Burst was halfway across the universe. Principal Investigator Neil Gehrels tells us about...  more »

JOHN ANDERSON AND THE FLYBY ANOMALY
March 10, 2008
Guests: John Anderson
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First the Pioneer Anomaly, now a new challenge to physics appears in the Flyby Anomaly. JPL celestial mechanics expert John Anderson...  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 »

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 »

THE PIONEER ANOMALY: CHANGING THE LAWS OF PHYSICS?
September 10, 2007
Guests: Slava Turyshev
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JPL research scientist Slava Turyshev returns to provide an update on the Pioneer Anomaly project. With just a couple of obstacles left to overcome, almost thirty years of mission data are almost...  more »

A HOLE IN THE UNIVERSE
September 3, 2007
Guests: Lawrence Rudnick
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Lawrence Rudnick and two colleagues, all at the University of Minnesota, are publishing a paper about their discovery of a tremendous void in the cosmos, a billion light year-wide expanse that...  more »

DEEP IMPACT RETURNS FOR AN INTERPLANETARY THREE-FOR-ONE
July 9, 2007
Guests: Mike A'Hearn
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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 »