Enceladus Ocean (IMAGE) Carnegie Institution for Science Caption A diagram illustrating the possible interior of Saturn's moon Enceladus, including the ocean and plumes in the south polar region, was based on Cassini spacecraft observations, courtesy of NASA/JPL-Caltech. Credit NASA/JPL-Caltech Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.