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Dwarf planets like Pluto were defined as objects that orbit the Sun, and are nearly round, but have not been able to clear their orbit of debris. So far, the IAU has only recognized five dwarf planets. In order of distance from the Sun they are: Ceres, Pluto, Haumea, Makemake, and Eris.
- Pluto: Facts
Introduction. Namesake. Potential for Life. Size and...
- Pluto: Facts
A dwarf planet is a small planetary-mass object that is in direct orbit around the Sun, massive enough to be gravitationally rounded, but insufficient to achieve orbital dominance like the eight classical planets of the Solar System.
22 de may. de 2024 · Dwarf planet, body, other than a natural satellite (moon), that orbits the Sun and that is, for practical purposes, smaller than the planet Mercury yet large enough for its own gravity to have rounded its shape substantially. Learn more about dwarf planets in this article.
28 de oct. de 2017 · Other solar system bodies that are possibly dwarf planets include Sedna and Quaoar, small worlds far beyond Pluto's orbit, and 2012 VP113, an object that is thought to have one of the most...
19 de abr. de 2023 · Among the menagerie of worlds orbiting our Sun are dwarf planets. According to the International Astronomical Union, a dwarf planet is round and circles the Sun like a planet, but has not “cleared the neighborhood” around its orbit. In other words, planets are much more massive than anything orbiting near them, while dwarf planets are not.
For the most part, they are identical, but there's one key difference: A dwarf planet hasn't "cleared the neighborhood" around its orbit, which means it has not become gravitationally...
