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Luna (slrpnk.net)
submitted 11 months ago by Track_Shovel@slrpnk.net to c/curatedtumblr@sh.itjust.works
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[-] Klear@sh.itjust.works 8 points 11 months ago

Ceres is the issue. People are pissed that they learnt the list of planets and now it's different, but don't realise the only viable options were to either drop the last one or add a bunch of them, some right in the middle.

[-] lunarul@lemmy.world 7 points 11 months ago

And if Ceres is a planet, shouldn't Eris be one too?

[-] Klear@sh.itjust.works 4 points 11 months ago

Exactly. It would get real messy.

[-] humanspiral@lemmy.ca 3 points 11 months ago

What is argument for Ceres and Eris being planets?

[-] rockerface@lemm.ee 2 points 11 months ago

The same as for Pluto

[-] deadbeef79000@lemmy.nz 2 points 11 months ago

Hydrostatic equilibrium. Their gravity is enough to pull their mass into a sphere-ish shape.

Contrast to asteroids that are irregular.

[-] lunarul@lemmy.world 1 points 11 months ago

Large round bodies orbiting the sun.

this post was submitted on 27 Dec 2024
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