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But like I said, if you want to talk about PLUTO and the definition of a planet start a thread and tell us how yo would define a planet and why the current definition is flawed.
33 -- (bottom paragraph).I second this. For all the complaining that AVET does over changing the terminology of "planet" so that it doesn't include Pluto, he has never told us what the definition should be or why Pluto should still be considered a planet.
Pluto is a planet because it is spherical, meaning it is large enough to be pulled into a round shape by its own gravity--a state known as hydrostatic equilibrium and characteristic of planets, not of shapeless asteroids held together by chemical bonds. These reasons are why many astronomers, lay people, and educators are either ignoring the demotion entirely or working to get it overturned. You can find out more by Googling "Laurel's Pluto Blog."
A decision should not be blindly accepted as some sort of gospel truth because a small number of people decreed it so. The IAU can decree the sky is green, but that doesn't make it any less blue.
I'd say that's pretty accurate.I´d say a simple phrase taken from one of AV´s posts here show on of his major motivations: "...our ninth planet..."
Did you click on the right link?
If we use the alternate, broader term that a planet is any non-self-luminous spheroidal body orbiting a star--which many planetary scientists prefer over the IAU definition--we can then use subcategories to distinguish the types of planets. While we previously recognized two subcategories, the terrestrials and the gas giants or jovians, the new discoveries show us there is a third class-the dwarf planets. These are planets because they are large enough to be rounded by their own gravity--a state known as hydrostatic equilibrium--but of the dwarf subcategory because they are not large enough to gravitationally dominate their orbits. In fact, Dr. Alan Stern, who first coined the term "dwarf planet," never intended for dwarf planets to not be considered planets at all. If this one area is amended so the IAU resolution establishes dwarf planets as a subclass of planets, much of the controversy would evaporate.
Would that be like a planet XI guess not, but by that definition:
I'm still asking the same question. If dwarf planets could just be a different class of planet, does mean you'd consider them planets as well?
Would that be like a planet X
http://www.christianforums.com/t7500148-5/#post55730425
Where Is That So Called Planet X That Was Supposed To Show Up Last Month?
Say what? The last time I ever heard the term "Planet X" was either a Duck Dodgers cartoon, or watching a TV documentary on the wacky ancient astronaut theories. What does this even have to do with anything?
Would that be like a planet X
http://www.christianforums.com/t7500148-5/#post55730425
Where Is That So Called Planet X That Was Supposed To Show Up Last Month?
Those are called comets.So, if I make a round snowball it will be a planet, because it will orbit the Sun and it is round and it is not self-illuminating.
I don't know -- were you orbiting the sun with it?So, I was playing with comets when I was young?
So, if I make a round snowball it will be a planet, because it will orbit the Sun and it is round and it is not self-illuminating.
Thank you -- and since you're being nice about it, I suppose I could answer you.Hey, I'm trying to AV the benefit of the doubt here. lol I just haven't got an answer from him yet.
Well, there ya go then -- you answered your own question.Definitely. I had an object orbiting the Sun under my feet. And that means I was also orbiting the Sun and the snowball too.
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