Why do all big planets have rings and small planets don't?
Small planets don't have rings because they are land planets and are made out of rocks. Smaller land planets are Mercury, Venus, Earth, Mars, and dwarf planet, Pluto , Eris. Bigger planets have rings due to their gas. Bigger plants like Jupiter, Saturn, Uranus, and Neptune are made out of different gas particles. You can never land in these planets. So this is the reason why bigger planets have rings.
4, all the big planets have rings. Saturn,Uranus,Jupiter,and Neptune. Four Four of the planets in the solar system have rings. The 4 gas planets have rings which are Jupiter, Saturn, Uranus and, Neptune. It was not until 1970 that the gas planets had rings. The rings on Saturn are a lot brighter then the other gas planets
The inner planets are rocky, and do not have any rings. They are all fairly small, with our planet, Earth, being the largest, then Venus, then Mars, then Mercury. Most of them have moons, and none have rings. The outer planets are made of gas, and are huge compared to the inner planets. Every single one of these outer planets have moons and rings. Jupiter is the largest, followed by Saturn, Uranus and Neptune.