Subj : Re: Mothers Day
To   : boraxman
From : Adept
Date : Mon May 29 2023 19:52:33

 bo> Pluto's orbit is a bit irregular in that it crosses the orbit of
 bo> Neptune.  Which other planet has a highly elliptical orbit?

That very well might be a difference between Pluto and other planets in the solar system.

My point was that it's not the reason for Pluto not being a planet, according to the group of people who decided such things.

And, even if they hadn't decided it, I'm not sure why it'd matter, anyway. E.g., imagine if something had happened that caused Jupiter to exit the solar system, and it wound up in a highly-elliptical orbit around another star.

I believe that's entirely plausible, and probably exists somewhere (I'm not an expert on the exoplanets that have been found, though obviously there's still countless millions for us to find.).

I'm sure it points to a slightly different origin story for Pluto/Charon over the 8 major planets with near-circular orbits, though.

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