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How can planets be planets if they are gas planets?
A planet is defined as any celestial body which has enough matter to form itself into a sphere (or spheroid), but without enough mass to begin nuclear reactions. This definition has no relation to...
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What is the planet that was a planet?
Pluto
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Why is a planet a planet?
A planet is claimed to be a planet due to a couple of things about that body: - size - mass - regular revolution around a star - materials that make it up - permanency Recently Pluto was named a...
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Which planet is not a planet?
Pluto is the only "planet" that isn't a planet. Well it think that the IAU still have not anwererd the question WHAT MAKES A PLANET A PLANET is it a certain size or something And venus as swell coz...
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What planets in the outer planets are twin planets?
the closest thing in our solar system to a double planet is pluto-charon, since they have a barycenter outside the two bodies. however, they are no longer considered planets. Some people used to call...