224E-236-Enceladus's Ocean

Pound for pound Saturn's moon Enceladus is the brightest object in our solar system. It is so shiny that it reflects most of the sunlight that strikes it. Since Enceladus absorbs little sunlight it's surface is 330 degrees below zero Fahrenheit. Below its icy exterior the story is very different. It appears that Enceladus has an ocean of liquid water. What Next?