Re: OT: The solar system has 12 planets
Quote:
henk brouwer said: what if Charon had been in an eleptical orbit, so the barycenter would sometimes be inside, and sometimes outside of pluto, would charon change planet-moon status during it's orbit?
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If I'm understanding the definition of barycenter correctly, a barycenter does not move relative to the objects that define it.
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