Dwarf planet - Wikipedia
WEBA 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.
Pluto & Dwarf Planets - Science@NASA
WEBPluto is by far the most famous dwarf planet. Discovered by Clyde Tombaugh in 1930, Pluto was long considered our solar system's ninth planet. But after other astronomers found similar intriguing worlds deeper in the distant Kuiper Belt – the IAU reclassified Pluto as a dwarf planet in 2006.
Dwarf planet | Definition, Characteristics, & Facts | Britannica
WEBDwarf 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.
Our 5 Dwarf Planets | Britannica
WEBThere 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.
Meet the Solar System's five official dwarf planets - The Planetary …
WEBApr 19, 2023 · 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.
What is a Dwarf Planet? - NASA Jet Propulsion Laboratory (JPL)
WEBApr 22, 2015 · According to the International Astronomical Union, which sets definitions for planetary science, a dwarf planet is a celestial body that -orbits the sun, has enough mass to assume a nearly round shape, has not cleared the neighborhood around its …
Space Shorts: What is a Dwarf Planet? - NASA Science
WEBMay 11, 2015 · Dwarf planets are a lot like regular planets: They both have enough mass and gravity to be nearly round - unlike odd-shaped asteroids. They both travel through space in a path around the Sun.
Pluto - NASA Science
WEBPluto is a dwarf planet located in a distant region of our solar system beyond Neptune known as the Kuiper Belt. Pluto was long considered our ninth planet, but the International Astronomical Union reclassified Pluto as a dwarf planet in 2006.
Curious kids: What is a dwarf planet? - Space.com
WEBApr 15, 2022 · An object that satisfies only the first two criteria — but not the last — is now called a dwarf planet. An artist’s illustration of the dwarf planet Haumea, surrounded by its ring. (Image ...
What Is A Dwarf Planet? - Universe Today
WEBAug 17, 2015 · Definition: According to the definition adopted by the IAU in 2006, a dwarf planet is, “a celestial body orbiting a star that is massive enough to be rounded by its own gravity but has not...
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