In 1943, astronomer kenneth edgeworth hypothesized that many small, icy bodies exist in a disc in the region beyond neptune, having condensed from widely spaced ancient material, and.
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Overview proteus is one of the largest of neptune's known moons, although it is not as big as triton.
The moon has an odd box-like shape and if it had just a little more mass it would be.
Our solar system consists of our star, the sun, and everything bound to it by gravity – the planets mercury, venus, earth, mars, jupiter, saturn, uranus, and neptune;
Dwarf planets such as.
How neptune's moons got their names since neptune was named for the roman god of the sea, its moons were named for various lesser sea gods and nymphs in greek mythology.