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In 2023, Emery et al. wrote that near-infrared spectroscopy by the James Webb Space Telescope (JWST) in 2022 suggests that Sedna, Gonggong, and Quaoar underwent internal melting, differentiation, and chemical evolution, like the larger dwarf planets Pluto, Eris, Haumea, and Makemake, but unlike "all smaller KBOs".
There is a strong consensus among astronomers [e] that the Solar System has at least nine dwarf planets: Ceres, Orcus, Pluto, Haumea, Quaoar, Makemake, Gonggong, Eris, and Sedna. There are a vast number of small Solar System bodies, such as asteroids, comets, centaurs, meteoroids, and interplanetary dust clouds.
Eris ⯰ U+2BF0 The Hand of Eris; also used non-astrologically by Discordians [38] ⯱ U+2BF1 Based on the symbols for Pluto, Mars, and Venus; proposed by Henry Seltzer and used in Time Passages [clarification needed] [38] Haumea 🝻 U+1F77B Conflation of Hawaiian petroglyphs for woman and birth, as Haumea was the goddess of both [35] Makemake ...
The following is a list of Solar System objects by orbit, ordered by increasing distance from the Sun. Most named objects in this list have a diameter of 500 km or more. The Sun, a spectral class G2V main-sequence star; The inner Solar System and the terrestrial planets. 2021 PH27; Mercury. Mercury-crossing minor planets; Venus. Venus-crossing ...
Over 99.86% of the Solar System's mass is in the Sun and nearly 90% of the remaining mass is in Jupiter and Saturn. There is a strong consensus among astronomers that the Solar System has at least nine dwarf planets: Ceres, Orcus, Pluto, Haumea, Quaoar, Makemake, Gonggong, Eris, and Sedna.
Denis Moskowitz, a software engineer in Massachusetts, [94] proposed astronomical symbols for the dwarf planets Quaoar, Sedna, Orcus, Haumea, Eris, Makemake, and Gonggong. [ 95 ] [ 94 ] These symbols are somewhat standard among astrologers (e.g. in the program Astrolog ), [ 96 ] which is where planetary symbols are most used today.
The Sun, planets, moons and dwarf planets (true color, size to scale, distances not to scale) The following outline is provided as an overview of and topical guide to the Solar System: Solar System – gravitationally bound system comprising the Sun and the objects that orbit it, either directly or indirectly.
Makemake Haumea The bodies included in this table are: (1) planemos ; (2) major planets , dwarf planets , or moons of major or dwarf planets, or stars ; (3) hydrostatically round so as to be able to provide a geodetic datum line.