Astronomy

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submitted 3 months ago by Sibbo@sopuli.xyz to c/astronomy@mander.xyz

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[–] Pyr_Pressure@lemmy.ca 4 points 3 months ago (1 children)

I can see why they no longer call it a planet, what's the cutoff for asteroid size?

[–] johannesvanderwhales@lemmy.world 3 points 3 months ago

It is still a dwarf planet. Basically when it hits hydrostatic equilibrium, i.e. when it's round, it is considered a dwarf planet. More here