NASA's Cassini spacecraft orbiting Saturn made its closest fly-by of the moon Enceladus on Thursday (Oct. 9). Analyzing molecules being ejected from geysers on the moon's surface, Cassini will provide scientists with data on whether water is present on the satellite.
This week's fly-by was the closest yet of any of Saturn's moons, whizzing just 16 miles (25 km) above the surface. It will take several weeks to analyze the data, the results of which will be available by mid-November.
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