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Yeah. If Pluto had been slightly heavier, we’d probably have ended up with a definition of a planet that included its mass instead of clearing its orbit to keep Pluto a planet. But Pluto was cooked when we figured out it’s not really heavier than Ceres.


> But Pluto was cooked when we figured out it’s not really heavier than Ceres.

You mean Eris? Pluto is ~10 times the mass of Ceres.


Yeah that one!




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