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- Pluto - Wikipedia
Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun
- Pluto Facts - NASA Science
It is located in the distant Kuiper Belt Discovered in 1930, Pluto was long considered our solar system's ninth planet But after the discovery of similar worlds deeper in the Kuiper Belt, Pluto was reclassified as a dwarf planet in 2006 by the International Astronomical Union
- Why Is Pluto No Longer a Planet? - Britannica
Pluto is now classified as a dwarf planet because, while it is large enough to have become spherical, it is not big enough to exert its orbital dominance and clear the neighborhood surrounding its orbit
- Why Is Pluto Not A Planet Anymore? - Sciencing
Pluto isn't considered a planet because, unlike larger planets, it hasn't cleared its orbit of debris, instead it is considered a dwarf planet
- Why is Pluto no longer a planet? - Library of Congress
In August 2006 the International Astronomical Union (IAU) downgraded the status of Pluto to that of “dwarf planet ” This means that from now on only the rocky worlds of the inner Solar System and the giant planets of the outer system will be designated as planets
- Is Pluto a Planet? - Science Notes and Projects
Pluto is a dwarf planet rather than a planet mainly because it has not cleared it orbit of debris Is Pluto a planet? The answer is no, according to the International Astronomical Union (IAU) It’s a dwarf planet
- Why Is Pluto No Longer a Planet? - sciencenewstoday. org
Pluto—the icy, distant world discovered in 1930, the ninth and once-final planet of our solar system—was reclassified Overnight, it was no longer a planet
- Why Is Pluto Not A Planet? - WorldAtlas
Once hailed as the solar system’s ninth planet, Pluto was reclassified by the International Astronomical Union after discoveries of numerous Kuiper Belt objects revealed that it neither dominates its orbital zone nor satisfies revised criteria for planethood
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