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I still have a t-shirt that depicts all the planets sitting at a lunch table & Pluto sitting by itself on the floor. Thanks to my younger son, it's no longer a reminder of Pluto's un-planet-ing, but instead a reminder of the time he asked "why hasn't Ceres invited Pluto to the dwarf planets' table?"

Happy Anniversary.

We also lost several planets, over 100 years ago, but gained a new category: asteroids.

Don't mess with Pluto. It is alive and has a heart!

Now that the Rubin observatory is proving its worth by discovering new dwarf planets, you remember the drill for how you wanted to (very subtly) communicate here whenever the actual ninth planet shows up in the data, right?😉

Now whadowedo about Venus & Mercury?... and Pluto?

Ah, enfin on en parle sans ces débats stériles !

Whenever I think about dwarf planets and how upset people still are about Pluto, I always think about how 'planet' is still in the name, people could just call it a planet in a colloquial way and still be (kind of) right...

Yeah I’ve been pondering how to fix that

When is someone going to get around to fixing the definition of Moon?! Saturn has 293 moons and keeps on picking up more like a mangy dog at a flea circus. If Alan Shepard's golf ball finds its way into orbit, they would call it number 293. At least it would be spherical...

Pluto had to be demoted as a planet, because if a guy discovered 15 planets his school owes him a giant raise. You cannot triple the size of the solar system and then just take the automatic yearly cost-of-living adjustment.

Nature does a pretty good job of making the classifications obvious

Yes, like when Vesta, Pallas and Ceres were moved from “planet” to a new category. Oh, and Pluto, 😉 but later.

I once posited to you the notion that, if Clyde Tombaugh in 1930 had the technology to see the Kuiper Belt, he would have realized Pluto was not a planet. You agreed. I still explain it to people that way. It never should have been called a planet. It was mislabeled.