Formation of oceans within icy moons could cause the waters to boil
via arstechnica.com
Short excerpt below. Read at the original source.
Our explanation of the outer Solar System has revealed a host of icy moons, many with surface features that suggest a complex geology. In some cases, these features—most notably the geysers of Enceladus—hint at the presence of oceans beneath the icy surfaces. These oceans have been ascribed to gravitational interactions that cause flexing and friction […]