Program Archives

SOLAR SAIL COUNTDOWN
June 20, 2005
Guests: Greg Delory, Louis Friedman
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We get a last-minute update on Cosmos 1 from Project Director Lou Friedman, just before its launch into orbit. Science and Data Systems Coordinator Greg Delory looks at the complexity of the mission....  more »

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 »

SOLAR SAIL READY FOR LIFTOFF
November 15, 2004
Guests: Louis Friedman, Ann Druyan, Buzz Aldrin
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After four years of planning, building and testing, Cosmos 1, the first solar sail spacecraft, is ready for Earth orbit. We cover the Nov. 9 press conference with Planetary Society Executive Director...  more »

A SPECIAL PLANETARY RADIO: SPACESHIPONE WINS THE X PRIZE!
October 11, 2004
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Join host Mat Kaplan in California's Mojave desert for a special documentary about the October 4th return of Burt Rutan's rocket plane to the edge of space. You'll hear exclusive material not...  more »

A SPACESHIPONE SPECIAL!
June 28, 2004
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The first private human spaceflight was launched from California's Mojave desert early on the morning of June 21st. Planetary Radio takes you there for this special documentary edition of our show....  more »

FROM RUSSIA WITH LOVE: A SOLAR SAIL UPDATE
July 21, 2003
Guests: Louis Friedman
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Cosmos One project director Louis Friedman calls from Russia, where he is checking progress on the world's first solar sail. He also announces the sail's participation in New York City's Centennial...  more »