Overview proteus is one of the largest of neptune's known moons, although it is not as big as triton 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 that from time to time one of them visits the inner solar system. Proteus orbits neptune about every 27 hours.
Moons about moons by destination earth (1) mars (2) jupiter (95) saturn (83) uranus (27) neptune (14) pluto (5) asteroids, comets & meteors about asteroids, comets & meteors by type Sheppard's pluto's known satellites page You are using an outdated browser
Mars is the fourth planet from the sun, and the seventh largest It’s the only planet we know of inhabited entirely by robots. Dwarf planets such as pluto And millions of asteroids, comets, and meteoroids.
Sheppard's neptune's known satellites page
