One of the most surprising and intriguing finds during the decade-long Cassini mission has been the discovery of geysers on the Moon Enceladus.  Originally spotted in 2005, scientists have spent the last decade trying to understand how they work.  And now they finally have a working model. How does an eruption on a frigid Moon last so long?  Eruptions on Earth are not long-lived, and if they are, they are very spread out. For Enceladus to have a ton of localized geysers in the South polar region, you need some pretty specific scenarios. Aside from the fact that a constant stream of material could clog...