Neptune Society San Antonio Tx. Oct 21, 2025 · NASA’s real-time science encyclopedia of d
Oct 21, 2025 · NASA’s real-time science encyclopedia of deep space exploration. 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. html Oct 21, 2025 · 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 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. Proteus orbits Neptune about every 27 hours. html Scott S. edu/users/sheppard/satellites/nepsatdata. The moon has an odd box-like shape and if it had just a little more mass it would be able to transform into a sphere. Our scientists and far-ranging robots explore the wild frontiers of our solar system. dtm. Overview Proteus is one of the largest of Neptune's known moons, although it is not as big as Triton. Oct 21, 2025 · 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 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 Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids. edu/users/sheppard/satellites/plutosatdata. Sheppard's Pluto's Known Satellites Page: http://home. Please upgrade your browser to improve your experience. He missed Proteus, the second-largest because it's too dark and too close to Neptune for telescopes of that era. You are using an outdated browser. Sheppard's Neptune's Known Satellites Page: http://www. ciw. Dutch-American astronomer Gerard Kuiper (for whom the Kuiper Belt was named) found Neptune's third-largest moon, Nereid, in 1949. Apr 23, 2024 · Scott S. html Oct 21, 2025 · 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 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 Overview Proteus is one of the largest of Neptune's known moons, although it is not as big as Triton.