3 ms·
No. It’s smaller than other moons in our solar system. It’s never going to be a planet again, but a planetoid, dwarf planet, or even asteroid is appropriate.
by kulahan 1y ago
No. It’s smaller than other moons in our solar system. It’s never going to be a planet again, but a planetoid, dwarf planet, or even asteroid is appropriate.
- GMoromisato 1y agoJust 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.