Ocean discovered on Enceladus

Using data from the Cassini spacecraft, scientists have discovered an ocean on Saturn’s moon Enceladus. The existence of liquid water makes Enceladus a high-priority target in the search for extraterrestrial life.

Researchers theorized the presence of an interior reservoir of water in 2005 when Cassini discovered water vapor and ice spewing from vents near the moon’s south pole. The new data provide the first geophysical measurements of the internal structure of Enceladus, consistent with the existence of a hidden ocean inside the moon. Findings from the gravity measurements are in the Friday, April 4 edition of the journal Science.

Image credit: NASA/JPL-Caltech

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