Track_Shovel@slrpnk.net to Curated Tumblr@sh.itjust.worksEnglish · 3 months agoLunaslrpnk.netimagemessage-square87fedilinkarrow-up1671arrow-down17
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minus-squareDragon Rider (drag)@lemmy.nzlinkfedilinkEnglisharrow-up8arrow-down8·3 months agoForgetting Pluto and Charon, drag sees.
minus-squarerockerface 🇺🇦@lemm.eelinkfedilinkEnglisharrow-up9arrow-down1·3 months agoThose are more of a binary planet than a planet and satellite, to be fair. And that’s even before we get into the whole planet vs dwarf planet debate. (For the record, I think Ceres should also count as a planet)
minus-squareKlear@sh.itjust.workslinkfedilinkEnglisharrow-up8·3 months agoCeres 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.
minus-squarelunarul@lemmy.worldlinkfedilinkEnglisharrow-up7·3 months agoAnd if Ceres is a planet, shouldn’t Eris be one too?
minus-squareKlear@sh.itjust.workslinkfedilinkEnglisharrow-up4·3 months agoExactly. It would get real messy.
minus-squarehumanspiral@lemmy.calinkfedilinkEnglisharrow-up3·3 months agoWhat is argument for Ceres and Eris being planets?
minus-squarelunarul@lemmy.worldlinkfedilinkEnglisharrow-up2arrow-down1·3 months agoLarge round bodies orbiting the sun.
minus-squarerockerface 🇺🇦@lemm.eelinkfedilinkEnglisharrow-up3arrow-down1·3 months agoThe same as for Pluto
minus-squaredeadbeef79000@lemmy.nzlinkfedilinkEnglisharrow-up2·2 months agoHydrostatic equilibrium. Their gravity is enough to pull their mass into a sphere-ish shape. Contrast to asteroids that are irregular.
Forgetting Pluto and Charon, drag sees.
Those are more of a binary planet than a planet and satellite, to be fair. And that’s even before we get into the whole planet vs dwarf planet debate.
(For the record, I think Ceres should also count as a planet)
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.
And if Ceres is a planet, shouldn’t Eris be one too?
Exactly. It would get real messy.
What is argument for Ceres and Eris being planets?
Large round bodies orbiting the sun.
The same as for Pluto
Hydrostatic equilibrium. Their gravity is enough to pull their mass into a sphere-ish shape.
Contrast to asteroids that are irregular.