Track_Shovel to Curated Tumblr@sh.itjust.worksEnglish • 6 months agoLunaslrpnk.netimagemessage-square85arrow-up1673
arrow-up1673imageLunaslrpnk.netTrack_Shovel to Curated Tumblr@sh.itjust.worksEnglish • 6 months agomessage-square85
minus-square@lunarul@lemmy.worldlinkfedilinkEnglish4•6 months agoCharon is still a moon, nobody upgraded it to dwarf planet.
minus-square@Melatonin@lemmy.dbzer0.comlinkfedilinkEnglish2•6 months agoThat seems terribly unfair. Downgrades but no upgrades?
minus-square@Melatonin@lemmy.dbzer0.comlinkfedilinkEnglish1•6 months agoI thought for an object to be a satellite it’s orbital point had to be located inside the body of the other entity.
minus-square@lunarul@lemmy.worldlinkfedilinkEnglish1•edit-26 months agoThere’s currently no formal definition requiring that. By that definition, none of Pluto’s five moons would be moons, since they all orbit the same barycenter. There’s a whole discussion about it here and it looks like it might be reconsidered in the future https://en.wikipedia.org/wiki/Charon_(moon)#Classification
Charon is still a moon, nobody upgraded it to dwarf planet.
That seems terribly unfair. Downgrades but no upgrades?
I thought for an object to be a satellite it’s orbital point had to be located inside the body of the other entity.
There’s currently no formal definition requiring that. By that definition, none of Pluto’s five moons would be moons, since they all orbit the same barycenter.
There’s a whole discussion about it here and it looks like it might be reconsidered in the future https://en.wikipedia.org/wiki/Charon_(moon)#Classification