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View Diary: Please Help Rid DK of the "Non-Planet with a Demotion" MEME (239 comments)

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  •  An Interloper (1+ / 0-)
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    Mnemosyne

    Given Pluto's inclination of 17 degrees, it did not coalesce  at the same time as the rest of the planets in the solar system. Pluto's orbit is also highly eccentric; sometimes Pluto is closer to Earth than Neptune.

    In other words: Pluto is not native born. It's been adopted!

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