pluto
pluto
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43 comments
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The stupidest consequence of the definition is not the classification of Pluto, but that there are only eight planets in the entire universe.
a planet is a celestial body that:
- is in orbit around the Sun
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*a sun
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No. I copied and pasted that. The definition says 'the Sun'. There was a proposal to classify 'exoplanets' but the IAU never accepted it, and so those large masses orbiting other stars remain undefined.
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43 comments