Cassini mission finds out that Saturn's rings are made up of a crushed moon's particles

I've always been fascinated by Saturn's rings. It makes Saturn looks so unique and beautiful. But have you ever wondered what those rings are made of?

image source

Well according to this article, the Cassini mission found out that those particles are the remains of a crushed moon. So, basically one moon became many small moons, if you consider those particles making up the rings as tiny moons.

Pretty fascinating, isn't it?