how is pluto a dwarf planet?
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Is Pluto a Dwarf Planet? Because it has not cleared the neighborhood around its orbit, Pluto is considered a dwarf planet. It orbits in a disc-like zone beyond the orbit of Neptune called the Kuiper belt, a distant region populated with frozen bodies left over from the solar system's formation.
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Dwarf Planet Facts. There a currently five officially classified dwarf planets in our solar system. They are Ceres, Pluto, Haumea, Makemake and Eris.
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Proper noun The name of the dwarf planet Pluto is originally masculine inanimate, but can be used also in neuter gender.
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Pluto rotates much more slowly than Earth so a day on Pluto is much longer than a day on Earth. A day on Pluto is 6.4 Earth days or 153.3 hours long.
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Pluto was discovered by Clyde Tombaugh in 1930 and was originally considered to be the ninth planet from the Sun. After 1992, its status as a planet was questioned following the discovery of several objects of similar size in the Kuiper belt. ... That definition excluded Pluto and reclassified it as a dwarf planet.
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Pluto's active geology and dynamism is what allows for it to have an interior ocean, a multilayered atmosphere, organic compounds and evidence of ancient lakes and multiple moons. According to Metzger, the only planet that has more complex geology is planet Earth.
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Pluto is only 1,430 miles (2,302 kilometers) in diameter and is about 1/6th the size of Earth. Pluto is actually smaller than our own Moon!
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In 2005, Eris, a dwarf planet in the scattered disc which is 27% more massive than Pluto, was discovered. This led the International Astronomical Union (IAU) to define the term "planet" formally in 2006, during their 26th General Assembly. That definition excluded Pluto and reclassified it as a dwarf planet.
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Discovered in 1930, Pluto is the second closest dwarf planet to the Sun and was at one point classified as the ninth planet. Pluto is the largest dwarf planet but only the second most massive, with Eris being the most massive.
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Pluto's distance from the Sun is 3.67 billion miles. Keep in mind that this distance is an average. Pluto follows a highly elliptical orbit around the Sun. At the closest point of its orbit, called perihelion, Pluto gets to within 4.44 billion km from the Sun.
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Dwarf Planet Facts. There are 5 officially recognised dwarf planets in our solar system, they are Ceres, Pluto, Haumea, Makemake and Eris. With the exception of Ceres, which is located in the asteroid belt, the other dwarf planets are found in the outer solar system.
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Pluto is not considered to be a Jovian planet because it is a relatively small terrestrial body, rather than a large, gaseous planet.
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Dwarf planets of the solar system As of 2014, the IAU recognizes five named dwarf planets: Ceres, Pluto, Eris, Haumea, and Makemake.
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Originally, there wasn't a very precise definition of what it meant to be a planet. When Pluto was first discovered, it was found to orbit the sun on its own (except for its satellite Charon). So Pluto was considered a planet (albeit a small one). ... The object must have "cleared its orbital neighbourhood".
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Pluto is about two-thirds the diameter of Earth's moon and probably has a rocky core surrounded by a mantle of water ice. Interesting ices like methane and nitrogen frost coat its surface.
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There are bits of rock and ice, comets and dwarf planets in the Kuiper Belt. Besides Pluto and a bunch of comets, other interesting Kuiper Belt Objects are Eris, Makemake and Haumea. They are dwarf planets like Pluto.
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Haumea is a dwarf planet that orbits the sun far beyond Neptune. It is about the same size as Pluto and has two moons. One of its notable characteristics is how fast it spins on its axis.