Thalassa is a moon of Neptune.
- It is the second closest moon to Neptune.
- Thalassa is the Greek word for sea.
- It is an irregularly shaped moon.
- It was discovered in September 1989 after the Voyager 2 flyby.
- Neptune's gravity is pulling it in, and Thalassa will crash into the planet or be broken apart and made into rings.
|Naiad Thalassa Despina Galatea Larissa S/ 2004 N1|