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It is because it does not clear the neighbourhood of its orbit. This means that it shares most of its orbit with other objects in its region which happens to be the Kuiper Belt. The definition of Planet which was proposed back in 2006 is
1) Must orbit its host star.
2) Must have sufficient amount of Gravity to hold a near spherical shape, this is called Hydrostatic Equilibrium.
3) Must Clear the Neighbourhood.
Pluto doesnt meet the third criteria but since it isnt a satellite it is Dwarf Planet.
What else can I help you with?
When did the IAU agree that Pluto was a dwarf planet?
The International Astronomical Union (IAU) agreed that Pluto should be classified as a dwarf planet on August 24, 2006, during their General Assembly in Prague. This decision was based on new definitions of what constitutes a planet, which led to Pluto being reclassified from a full-fledged planet to a dwarf planet.
Does Pluto exit or not?
Yes Pluto is considered a planet. but some people belive otherwise stupid billy
Which planet mercury mars earth Pluto is not a planet?
Pluto is not a planet (it's a dwarf planet)
Do yo think Pluto is a planet?
Pluto is a dwarf planet.
Is Pluto a terrestrial planet or a gas giant planet?
Pluto is no longer a planet but is classified as a dwarf planet, So Pluto is classified as a dwarf planet. Neither terrestrial or gas planet.
When did the IAU agree that Pluto was a dwarf planet?
The International Astronomical Union (IAU) agreed that Pluto should be classified as a dwarf planet on August 24, 2006, during their General Assembly in Prague. This decision was based on new definitions of what constitutes a planet, which led to Pluto being reclassified from a full-fledged planet to a dwarf planet.
What was the the planet that is no longer a planet in your solar system?
Pluto, it is now a dwarf planet or planetoid.
Has there been people seen in Pluto?
nobody has been seen on Pluto because Pluto might not be a planet
Does Pluto exit or not?
Yes Pluto is considered a planet. but some people belive otherwise stupid billy
Is Pluto a favorite planet?
Pluto is not a planet its a dwarf planet
Do people in California believe that Pluto is a planet?
Actually, there is a relatively large number of people who believe that Pluto is a planet. Because of its recent classification as a dwarf planet, and its demotion from planetary status, many people who do not keep up with the current news believe that Pluto is still a planet. About a third or possibly less or more of the population of California (those educated and uneducated) believe that Pluto is a planet still. its kinda 50 50
Is Pluto a rocky or gas planet?
Pluto is a rocky world. Pluto is now reclassified as a dwarf planet.
Why do some people argue that Pluto isn't a planet?
Because Pluto is very very very small and the smallest planet in our planetary system
The closest planet to pluto?
neptuneNeptune is the closest to Pluto. Uranus is the second closest planet to Pluto. Saturn is the third closest planet to Pluto. Jupiter is the forth closest planet to Pluto. Mars is the fifth closest planet to Pluto. Earth is the sixth closest planet to Pluto. Venus is the seventh closest planet to Pluto. Mercury is the most furthest away from Pluto. The Sun and the moon are not considered as planets. The planet Pluto is also not considered as a planet.
What tipe of planet is Pluto?
Pluto is a dwarf planet
What planet change to Pluto?
dwarf planet Pluto
Why did sientists agree that Pluto was not a planet?
Pluto is a planet!
