Dwarf Planets - Science@NASA
Our solar system has five dwarf planets. In order of distance from the Sun they are: Ceres, Pluto, Haumea, Makemake, and Eris.
Dwarf planet - Wikipedia
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.
Our 5 Dwarf Planets | Britannica
There are hundreds of objects in our solar system that have the potential to be classified as dwarf planets, but so far only five are official. Read on to meet our (current) five.
List of possible dwarf planets - Wikipedia
[3] [4] The International Astronomical Union (IAU) defines dwarf planets as being in hydrostatic equilibrium, and notes six bodies in particular: Ceres in the inner Solar System and five in the trans-Neptunian region: Pluto, Eris, Haumea, Makemake, and Quaoar. [5]
Dwarf Planets: Science & Facts About the Solar System’s ...
2017年10月28日 · Dwarf planets are worlds too small to be full-fledged planets, but too big to fit in smaller astronomical categories. Pluto, the most famous dwarf planet, lost its planet status in 2006.
Planet Sizes and Locations in Our Solar System - NASA Science
2024年3月29日 · Our solar system has eight planets, and five officially recognized dwarf planets. Which planet is biggest? Which is smallest? What is the order of the planets as we move out from the Sun?
Meet the Solar System's five official dwarf planets
2023年4月19日 · The IAU currently recognizes five dwarf planets: Ceres, Pluto, Haumea, Makemake, and Eris. Ceres lies in the main asteroid belt between Mars and Jupiter, while the rest are in the Kuiper Belt. There are almost certainly more dwarf planets. Unfortunately, most are very far away, and we can’t definitively prove that they are round.
Dwarf Planets of our Solar System - The Planets Today
A description of each of the solar system dwarf planets and the history of our knowledge of them.
Dwarf Planets in Our Solar System - Science Notes and Projects
2023年1月31日 · Meet the dwarf planets in our solar system. Learn the dwarf planet definition and get a list of bodies that qualify.
Dwarf planet | Definition, Characteristics, & Facts | Britannica
2024年12月5日 · 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.
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