pluto is no longer a planet because some scientists believed that pluto no longer reched the requirments to be a planet, meaning pluto is to small to be a planet and is now considered a dwarf planet.
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Pluto is not considered a planet because it has not cleared its orbit of other debris, one of the criteria for planetary classification set by the International Astronomical Union in 2006. Instead, Pluto is classified as a dwarf planet.
The planet with an orbit that intersects the orbit of the dwarf planet Pluto is Neptune. Neptune, the eighth and farthest known planet from the Sun in the Solar System, has an orbit that crosses Pluto's orbit due to its elliptical path around the Sun. This orbital relationship between Neptune and Pluto is one of the factors that led to Pluto's reclassification as a dwarf planet in 2006 by the International Astronomical Union.
Pluto is in a class of its own because it doesn't fit the definition of a regular planet due to its small size and location in the Kuiper Belt. It is categorized as a dwarf planet, along with other similar celestial bodies. Pluto's status as a dwarf planet was officially recognized by the International Astronomical Union in 2006.
There are several reasons why Pluto is considered a dwarf planet rather than a full-fledged planet. Some of these include its small size, its irregular orbit, and the fact that it shares its orbit with other objects in the Kuiper Belt. Additionally, Pluto has not cleared its orbit of other debris, which is a criterion for being classified as a planet.
Pluto is not a planet (it's a dwarf planet)
Pluto is a dwarf planet.