Curated Tumblr

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Luna (slrpnk.net)

submitted 5 months ago by Track_Shovel@slrpnk.net to c/curatedtumblr@sh.itjust.works

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[–] humanspiral@lemmy.ca 3 points 5 months ago (3 children)

What is argument for Ceres and Eris being planets?

[–] rockerface@lemm.ee 2 points 5 months ago

The same as for Pluto

[–] deadbeef79000@lemmy.nz 2 points 5 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 5 months ago

Large round bodies orbiting the sun.