Literal coolness, given that we’re talking about a moon of Saturn. Water is amazing stuff from a chemical, physical and even biochemical standpoint–unique on multiple levels, absolutely required in liquid form to sustain any life that we could ever really recognize as such.
I’ve been a big fan of Jupiter’s moon Europa for years–looks like I have another gas giant moon to add to my list!
The Salty Waters of Saturn’s Moon Hint at Life
A Cassini spacecraft image shows icy geysers spewing from the south polar region of Saturn’s moon Enceladus. The salt particles in the ice jets are the strongest evidence to date of a liquid ocean under the moon’s icy crust.