Thalassa is the second
moon of
Neptune.
Thalassa was named after a daughter of
Aether and Hemera
? from
Greek mythology. "Thalassa" is also the
Greek word for "
sea". It was discovered in
1989 by [Voyager 2]
?. It is irregularly shaped and shows no sign of any geological modification.
- Orbital radius: 50,000 km
- Diameter: 80 km
- Mass: Unknown
- Orbital period: 7 hours, 30 minutes (0.311485 days)
- Orbital inclination: 0.21°
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