Great thread! And great reply Volans, what you've said makes sense.
And I agree that while Pluto isn't really a planet, it's probably too late to change it now... or is it? I mean we've only known about Pluto for what, 70 or 80 years?
If we say it's not a planet now, it'll probably only take 10 or 20 years before people stop calling it one.
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