Planetary scientist Carolyn Porco says, “I’m going to take you on a journey.” And does she ever. Showing breathtaking images from the Cassini voyage to Saturn, she focuses on Saturn’s intriguing largest moon, Titan, with its deserts, mudflats and puzzling lakes, and on frozen Enceladus, which seems to shoot jets of ice. Could one of these places harbor water — or life? (Recorded March 2007 in Monterey, California. Duration: 17:21.)
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