Our 5 Dwarf Planets | Britannica
网页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. Pluto. New Horizons near Pluto Artist's rendering of the New Horizons spacecraft approaching Pluto and its three moons.
Pluto & Dwarf Planets - Science@NASA
网页Our solar system has five dwarf planets. In order of distance from the Sun they are: Ceres, Pluto, Haumea, Makemake, and Eris.
Meet the Solar System's five official dwarf planets - The Planetary …
网页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 planet - Wikipedia
网页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.
Dwarf planet | Definition, Characteristics, & Facts | Britannica
网页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.
Meet the Solar System's Dwarf Planets | Space
网页2011年8月22日 · Here's a tour of the five currently recognized dwarf planets: Pluto, Eris, Haumea, Makemake and Ceres.
Dwarf Planets: Science and Facts About Solar System’s Smaller …
网页2017年10月28日 · As of 2014, the IAU recognizes five named dwarf planets: Ceres, Pluto, Eris, Haumea, and Makemake. But those aren't the only ones.
Dwarf Planets in Our Solar System - Science Notes and Projects
网页2023年1月31日 · 5 Dwarf Planets: The usual list of dwarf planets is Pluto, Eris, Ceres, Haumea, and Makemake. Haumea has two known moons, while Makemake has one. Haumea is not round.
Dwarf Planets - National Geographic Kids
网页• The five confirmed dwarf planets—including Pluto—are all smaller than Earth's moon, but some of them have moons themselves. • Astronomers suspect that the asteroid Ceres might have geysers that...
About the Planets - Science@NASA
网页The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris.