Why is Pluto not a planet

Question

Like why is it not included in solar system i don’t get it

In: 20

Answer 1

True ELI5 content: https://youtu.be/ws3kWuMi0Y8

tl;dw
1) You orbit a star? ✅ your star is called the sun
2) You have enough gravity to make you round? ✅

but you’re missing one:
3) Do you clear your surroundings? ❌ dwarf planets don’t clear their neighborhood. They don’t clear their orbit of other objects.