👉 The mathematics behind planetary rings, like those of Saturn, involves complex dynamics but can be simplified to key concepts. Primarily, the rings are composed of countless particles ranging from micrometers to meters in size, orbiting the planet in a thin, flat plane. The stability of these rings is maintained by gravitational forces, particularly from the planet itself and its moons, which create a balance that prevents the particles from drifting away or colliding. Mathematically, this is often modeled using equations of motion and perturbation theory to understand how gravitational interactions and resonances affect the ring particles' orbits. The distribution and behavior of these particles can also be described using statistical mechanics and fluid dynamics, especially when considering the rings as a continuous medium. Additionally, the gaps and structures within the rings, such as the Cassini Division, are explained by resonances with nearby moons, where the gravitational pull periodically alters the orbits of ring particles, leading to gaps or density waves.