Leena Jose: Not so. One expects an azimuthally uniform ring from any cloud of debris in orbit because of differential rotation. And if the material is collisional, then conservation of angular momentum would make it spread in radius, so long as it isn't dynamically confined.

This theory is True but I personally feel there is more to this theory, the rings are too wide and uniformly spread around the planet for a passing by object to disintegrate and form such a complex ring system.