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[-] deadbeef79000@lemmy.nz 63 points 1 month ago* (last edited 1 month ago)

Correct.

I also believe that one of the criteria for a binary planet is that the barycenter is outside either body. Like Pluto/Charon.

[-] mnemonicmonkeys@sh.itjust.works 12 points 1 month ago

Don't forget the other 3 bodies in the Pluto/Charon system

[-] SpaceNoodle@lemmy.world 27 points 1 month ago
[-] 9bananas@feddit.org 11 points 1 month ago

depends! do you wanna know how the system will evolve over long periods of time?

... then yes!

[-] SpaceNoodle@lemmy.world 6 points 1 month ago

So you're saying it's a Three-Body Problem

[-] mnemonicmonkeys@sh.itjust.works 9 points 1 month ago

Technically 5, but yes

[-] panda_abyss@lemmy.ca 6 points 1 month ago* (last edited 1 month ago)

I’ve always preached inclusivity and would welcome 3 more planets

[-] deadbeef79000@lemmy.nz 4 points 1 month ago

I just can't remember their names :-(

[-] Denvil@lemmy.ml 2 points 1 month ago

The only one I remember is Styx cause I remember the river from mythology cause I thought it was cool. Not a damn clue what the others were.

[-] deadbeef79000@lemmy.nz 1 points 1 month ago

Oh yeah! Also Nix and Hygea i think.

[-] mnemonicmonkeys@sh.itjust.works 2 points 1 month ago

Same. That's why I was lazy and didn't even mention them ;)

this post was submitted on 03 Sep 2025
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