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Thalassa is a small moon that orbits Neptune, the eighth and most distant planet in our solar system. It was discovered in 1989 and represents one of many moons that help scientists understand the composition and structure of the outer solar system.
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Article
Thalassa /θəˈlæsə/, also known as Neptune IV, is the second-innermost satellite of Neptune. Thalassa was named after sea goddess Thalassa, a daughter of Aether and Hemera from Greek mythology. "Thalassa" is also the Greek word for "sea".
Discovery