Comment on Possible new dwarf planet found in our solar systemparentComments−GMoromisato1yJust to be pedantic, Mercury is also "smaller than other moons in our solar system"And never is a long time, especially for something as fickle as human classification.−kulahan1yYou’re right, it’s about gravitational domination.−GMoromisato1yAgreed.My (uninformed) guess is they will eventually reclassify all non-moon objects in hydrostatic equilibrium (anything round) as planets, which will make Pluto a planet again and bring in a half-dozen new objects.
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Just to be pedantic, Mercury is also "smaller than other moons in our solar system"
And never is a long time, especially for something as fickle as human classification.
You’re right, it’s about gravitational domination.
Agreed.
My (uninformed) guess is they will eventually reclassify all non-moon objects in hydrostatic equilibrium (anything round) as planets, which will make Pluto a planet again and bring in a half-dozen new objects.