Neptuneball.
Due to his retrograde orbit and composition, he likely is a captured dwarf planet that once had a binary companion billions of years ago.
He also is one of the few known geologically active moons, with cyrogeysers and cyrovolcanic terrein. Thus, like Earthball, he has relatively few craters, as most of them are covered by water-ammonia "lava" within a relatively short timespan. He also is known to hold a thin, teneous nitrogen atmosphere.
Composition[edit | edit source]
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Surface Features[edit | edit source]
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Cryovolcanism[edit | edit source]
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Cantaloupe Terrain[edit | edit source]
On Tritonball's western hemisphere, there are a strange series of fissures that is known as cantaloupe terrain, due to its resembelance to the skin of a cantaloupe. Although it has relatively few impact craters, it seems to be some of the oldest terrain on his surface.
The terrain, composed of dirty water ice, is found only on Tritonball's surface. There are depressions in the terrain about 30-40 km in diameter, and it is unlikely that they are impact craters, as they are roughly equal in size and have smoothe edges. It is mainly thought this unique feature formed from diapirism.
Orbit - Rotation[edit | edit source]
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Gallery[edit | edit source]
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