Enceladus’ plumes might not come from an underground ocean
Saltwater spray could come from pockets of watery mush in the moon’s icy shell
![plumes of water vapor from Saturn's moon Enceladus](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/12/121721_lg_enceladus_feat.jpg?fit=1030%2C580&ssl=1)
Saturn’s moon Enceladus sprays dramatic plumes of water vapor (shown in an image from the Cassini spacecraft). Whether those plumes come from a subsurface ocean or from the moon’s icy shell is a matter of debate.
Kevin M. Gill, JPL-Caltech/NASA, SSI