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Why isn't Pluto a planet?

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It is not a planet because unlike all other planets, it does not clear it's orbit path.

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apparently its too small

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It doesn't follow the orbit of the other 8 planets and it's small.

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It's too small to be considered as a planet so it is now a dwarf planet :)

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Aw Man, what a controversy this caused in the Scientific World! There 128 multiple planetary systems that have been identified to date. With the discovery of a new planet for the first time in 100's of years(well a long time any way) This huge argument came up about how big a mass has to be to be classified as a planet & what makes a dwarf planet.It was agreed that a smaller planet that has a orbit around a Larger Planet would be classified as a Dwarf Planet.
Now this brings up the question of WHY Pluto is classified as a Dwarf, because it does NOT orbit around any other Planet. Apparently this planet being Mostly gas than solid matter, and being so small, would ALSO classify it as a Dwarf Planet.
For more Info visit WWW.WINDOWS2UNIVERSE.ORG (ALL LOWERCASE,SORRY)

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Because it's not.

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What kind of answer is that tic tac?
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that BS pluto was a planet as long as i was alive and they want to just declassify it. There were 9 planets when i was born and as far as im concerned there still are. Screw you science. PLUTO IS A PLANET!

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huh???? youre logic is stupid. why would the moon be a planet......... der der der.
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doesnt fit as a planet

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It's too small so it's considered a dwarf planet.

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The orbit is way more ellipse than any other planet.

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because it's mush smaller than the usual planets

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because he is Mickey's dog- Side note, why can Goofy talk but Pluto can not?-Not fair Mick

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It's not that pluto is too small, pluto shares it's orbit, which makes it not a planet.

the three requirements to be a planet;

1) spherical

2) orbits a star

3) doesn't share it's orbit.

pluto has the first two checked off, but because it shares it's orbit, it is considered a dwarf planet, not a planet

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nadlydan

too small.

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yes, one focus point is that it is small, but that is not the main reason it isn't a planet anymore. If you remember for about a 6 month period back in 2009, scientists claimed they had discovered another planet. they named this "new planet" Planet X. but when they did more observations, they discovered close to 15 more celestial masses similar to Pluto and Planet X. then they said that because Pluto did not have a moon, and neither did planet X, that they were merely misidentified asteroids. they claimed that Pluto had always been an asteroid, but they hadn't known it until recently because they never had sufficient telescopes.so they made a new category of classification known as dwarf planets. dwarf planets are celestial masses that are big enough to planets, but are also small enough that they could be classified as an asteroid. also, in order for something to be classified as a dwarf planet, it has to follow a similar orbital pattern as other planets. so now both Pluto and Planet X are classified as dwarf planets, along with the 15 other celestial masses discovered along with Planet X.

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Pluto is known as a dwarf planet, meaning it's too small to actually be a planet, or it doesn't have what a normal planet has.

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it is not a planet because it does not have sphere shape and considered as a dwarf planet like erus

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