Carolyn Porco‘s Saturn imaging team has found “tell-tale clues” to a centuries-old mystery surrounding Saturn’s moon Iapetus — why is it stark white on one side, coal black on the other? It’s a striking oddity in a sky full of gray rocks. As the CICLOPS site reports, the white side of this moon is covered with brightly reflective ice, while sunlight has melted the ice on the dark-colored side, revealing the moon’s surface. Watch Carolyn Porco’s 2007 TEDTalk to learn more about this intriguing planet and its moons.
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In her 2007 TED Talk, “This is Saturn,” planetary scientist Carolyn Porco blew some minds with images taken by Cassini, the robot spaceship launched in October 1997 to study and photograph Saturn and its accompanying moons. Gleaning “oohs” and “aahs” from the assembled TED audience, she concluded with a stunning shot of a backlit picture […]
Carolyn Porco shares exciting new findings from the Cassini spacecraft’s recent sweep of one of Saturn’s moons, Enceladus. Samples gathered from the moon’s icy geysers hint that an ocean under its surface could harbor life. (Recorded at TED University 2009, February 2009, in Long Beach, California. Duration: 3:29.) Watch Carolyn Porco’s talk from TED University […]