--- John Horn wrote:
> What I don't understand is why they couldn't just say "here are the
> new rules and Pluto gets grandfathered in as an exception..."???
I think the question is - why would they want to?
I think that the term planet is most useful if it clearly defines some
well-defined set of objects. It seems like the astronomers settled upon
a definition for a distinct set of objects, and Pluto simply doesn't fit
that definition. I don't know what useful purpose would be served by
"grandfathering", other than sentimentality...
JDG
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