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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 class
by GMoromisato 1y ago
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.
- kulahan 1y agoYou’re right, it’s about gravitational domination.
- GMoromisato 1y agoAgreed. 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.