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Comparison of the Oort cloud, Kuiper Belt and the Main Asteroid Belt. The asteroids of the inner Solar System and Jupiter : The main asteroid belt is located between the orbits of Jupiter and Mars .
The Kuiper belt is distinct from the hypothesized Oort cloud, which is believed to be a thousand times more distant and mostly spherical. The objects within the Kuiper belt, together with the members of the scattered disc and any potential Hills cloud or Oort cloud objects, are collectively referred to as trans-Neptunian objects (TNOs). [21]
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The Oort cloud (/ ɔːr t, ʊər t /), [1] sometimes called the Öpik–Oort cloud, [2] is theorized to be a vast cloud of icy planetesimals surrounding the Sun at distances ranging from 2,000 to 200,000 AU (0.03 to 3.2 light-years). [3] [note 1] [4] The concept of such a cloud was proposed in 1950 by the Dutch astronomer Jan Oort, in whose ...
The Kuiper belt beyond Neptune, followed by the scattered disc. The Oort cloud in the boundaries of the Solar System. The biggest of these minor bodies are regarded as dwarf planets : Ceres in the asteroid belt, and Pluto , Eris , Haumea , Makemake , Gonggong , Quaoar , Sedna , and Orcus (along with other candidates ) in the Kuiper belt.
There are about 4,000 known comets in our Solar System so far and most of them come from beyond Pluto, in the Kuiper Belt and Oort Cloud. One of such, called C/2023 A3 Tsuchinshan-ATLAS, will make ...
Makemake (38.1–52.8 AU), although smaller than Pluto, is the largest known object in the classical Kuiper belt (that is, a Kuiper belt object not in a confirmed resonance with Neptune). Makemake is the brightest object in the Kuiper belt after Pluto. Discovered in 2005, it was officially named in 2009. [212]
The orbits of the vast majority of small Solar System bodies are located in two distinct areas, namely the asteroid belt and the Kuiper belt. These two belts possess some internal structure related to perturbations by the major planets (particularly Jupiter and Neptune, respectively), and have fairly loosely defined boundaries. Other areas of ...