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not really planets orbit the sun, moons orbit planets.........not sure how large they need to be a planet, but i was taught pluto was the smallest planet.........but alot of thing have changed over the years.
like gay mean you were a happy person .....now it means you are homosexual. mouse was a little grey critter , now a tool to move a pointer on a computer. sure the old surfers would not want to surf into a net......that good way to drown.
sorry just those things that make you say hum
Pluto orbits the sun. Has a strange orbit, but orbits and the only thing you need to be classified as a planet is to be in outer space and orbit the sun.
You are incorrect. The definition of a planet includes the body being massive enough to be rounded as a result of its own gravity, but not so massive that it initiates thermonuclear fusion (like a star), and it has cleared its revolving path of debris by colliding and/or combining with the relatively smaller bodies. Pluto does not satisfy all those requirements as we have investigated further, thus it has been relegated to the status of a "dwarf planet" along with the more newly discovered Haumea.
These are the terms as the scientists have defined them. The data they collect are used to determine how things fit their definitions. If the data they collect indicates that something doesn't fit their definitions, then they change the designation. Public opinion really doesn't matter.
And really, neither do the terms we use to describe them -- they were there for billions of years before an organism on Earth evolved and developed technology to even know they were there. And that really sets things into perspective, doesn't it?