ANSWER: Moon of Saturn
Explanation:
- Enceladus is the sixth-largest moon of Saturn.
- Enceladus is mostly covered by fresh, clean ice, reflecting almost all the sunlight that strikes it and making its surface temperature at noon reach only -198 °C.
- Enceladus has a wide range of surface features, ranging from old, heavily cratered regions to young, tectonically deformed terrains that formed as recently as 100 million years ago, despite its small size.
- In 2014, NASA reported that Cassinifound evidence for a large south polar subsurface ocean of liquid water within Enceladus with a thickness of around 10 km.
