Subj : Re: Mothers Day
To   : fusion
From : boraxman
Date : Fri May 19 2023 10:07 pm

 fu>  bo>  Ad> I mean, I'm against them having demoted Ceres, too, and that was
 fu>  bo>  Ad> planet for about 50 years, ending around 1850.
 fu>  bo>  Ad> 
 fu>  bo>  Ad> Got demoted for similar reasons, too. Asteroid belt was discover
 fu>  bo>  Ad> wasn't as special. And Pluto got demoted because of a variety of
 fu>  bo>  Ad> in the Kuiper Belt.
 fu>  bo>  Ad> 
 fu>  bo> 
 fu>  bo> As upset as I am (actually not all that much) about Pluto's demotion,
 fu>  bo> makes sense to differentiate between planets which have regular circu
 fu>  bo> (or close to it) orbits, and other objects which don't.
 fu> 
 fu> well, thankfully you can't be incorrect in the grand scheme by calling
 fu> it a planet. humans made up the classification.. and it's not
 fu> scientifically relevant (it doesn't impact the results of science. and
 fu> our classifications wouldn't be relevant to aliens, for example, who
 fu> might not call gas giants planets either, etc)
 fu> 
 fu> unlike say, the speed of light, which would be easily obvious to all
 fu> observers.
 fu> 
 fu> at that point imo your opinion is as easily relevant as anyone else's
 fu> (even experts)..
 fu> 

My daughter has told me that Pluto isn't really a planet, some think it is but it really isn't.  We may hold our views, but the next generation are taught differently.

Maybe one day we'll find Planet X, and it will all change again.

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