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6-12

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NOVA

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Life on Enceladus?

This video segment adapted from NOVA follows NASA’s Cassini mission to Saturn and the surprising discoveries it has made about Enceladus, one of Saturn’s 62 moons. Carolyn Porco, leader of the Cassini mission’s science imaging team, describes some of the features Cassini observed on this icy moon, including a series of large cracks named “tiger stripes,” through which jets of frozen vapor shoot upward into space. Porco describes the process that explains why liquid water can exist under the surface of Enceladus despite its extreme distance from the Sun. She also explains why she believes this frozen moon may be the best candidate to harbor life beyond Earth. The video features real satellite imagery as well as simulations.

Visit the program page here.

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