Neptunian
31trans-Neptunian object — noun Any object (such as an asteroid, a planet, a KBO, or a star) in the Solar System with all or most of its orbit outside the orbit of Neptune …
32trans-Neptunian — trans Nep•tu′ni•an adj …
33trans-Neptunian planet — /ˌtrænz nɛptjuniən ˈplænət/ (say .tranz neptyoohneeuhn planuht) noun Astronomy a hypothetical planet existing in the solar region beyond Neptune, the existence of which has been posited to explain certain anomalies in the orbits of Uranus and… …
34Neptunist — Neptunian Nep*tu ni*an, Neptunist Nep tu*nist, prop. n. [Cf. F. neptinien, neptuniste.] (Geol.) One who adopts the Neptunian theory. [1913 Webster] …
35List of Solar System objects by size — Objects in the Solar System By orbit By size By discovery date …
36Planets beyond Neptune — Planet X redirects here. For the Planet X doomsday scenario, see Nibiru collision. For other uses, see Planet X (disambiguation). Trans Neptunian planets redirects here. For dwarf planets and small bodies discovered beyond Neptune, see Trans… …
37Kuiper belt — Known objects in the Kuiper belt, derived from data from the Minor Planet Center. Obje …
38Scattered disc — The scattered disc (or scattered disk) is a distant region of the Solar System that is sparsely populated by icy minor planets known as scattered disc objects (SDOs); a subset of the broader family of trans Neptunian objects (TNOs). The scattered …
39Oort cloud — An artist s rendering of the Oort cloud and the Kuiper belt (inset). Sizes of individual objects have been exaggerated for visibility …
40Pluto — This article is about the dwarf planet. For other uses, see Pluto (disambiguation). Pluto   …
