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ERA OF SOLAR SAILING BEGINS
May 23, 2005
Guests: Ann Druyan, Louis Friedman
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The launch of Cosmos 1 will also launch the era of solar sailing. With just a month left before liftoff, Project Manager Lou Friedman provides an update. Carl Sagan's widow and former collaborator...  more »

ASTRONOMER, ASTROBIOLOGIST AND FAST PITCH OUTFIELDER WOODY SULLIVAN
May 16, 2005
Guests: Woody Sullivan
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The man who designed the MarsDial sundial on the Mars Rovers also helped create the SETI@home project, and now studies astrobiology. UW astronomy professor Woody Sullivan is our guest this week....  more »

FAREWELL TO STAR TREK ENTERPRISE
May 9, 2005
Guests: Andre Bormanis
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The four year mission of the first Starship Enterprise is ending. We say goodbye and talk with series co-producer Andre Bormanis about the Star Trek phenomenon. Emily Lakdawalla studies the rings of...  more »

A TRIBUTE TO PHILIP MORRISON
May 2, 2005
Guests: Philip Morrison
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Famed physicist and SETI pioneer Philip Morrison has passed away at 89. He is remembered fondly by Harvard physicist and SETI researcher Paul Horowitz, and former JPL Director Bruce Murray. Emily...  more »

MARS EXPRESS FINDS A FROZEN SEA
April 25, 2005
Guests: Gerhard Neukum
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Professor Gerhard Neukum is Principal Investigator for the High Resolution Stereo Camera aboard the European Space Agency's Mars Express orbiter. That camera has uncovered strong evidence of a frozen...  more »

A CONVERSATION WITH SALLY RIDE
April 18, 2005
Guests: Sally Ride
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Twenty-two years after she became the first American woman in space, Sally Ride has devoted herself to bringing the wonder of science to young people, and especially girls. She'll talk about Sally...  more »

BY THE LIGHT OF A NEW WORLD
April 11, 2005
Guests: David Charbonneau
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Harvard astronomer David Charbonneau is lead author of a paper describing one of the first ever detections of light from a planet beyond our solar system. Emily Lakdawalla dishes up the Deep Space...  more »

GENESIS RISES FROM THE ASHES WITH A PIECE OF THE SUN
April 4, 2005
Guests: Roger Wiens
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It has been seven months since the Genesis probe smacked into the Utah desert. We hear good news from mission team member Roger Wiens about recovery of its unprecedented samples of the solar wind,...  more »

A SATURN UPDATE FROM CASSINI'S LINDA SPILKER
March 28, 2005
Guests: Linda Spilker
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The Cassini mission's Deputy Project Scientist gives us a progress report on the constant flow of exciting surprises from Saturn and its moons. Emily Lakdawalla has a Q&A about the light detected...  more »

NEIL DEGRASSE TYSON ON THE FUTURE OF SPACE EXPLORATION
March 21, 2005
Guests: Neil deGrasse Tyson
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Director of New York's Hayden Planetarium and host of the NOVA Origins miniseries returns to Planetary Radio for a conversation about the moon, Mars and beyond. He also gives positive marks to the...  more »