The origin of Saturns rings is because of: impact onto Enceladus, causing material to be released which replenishes the rings B:

The origin of Saturns rings is because of:

A: impact onto Enceladus, causing material to be released which replenishes the rings

B: Formation of a disk around primordial Saturn, with Tidal forces preventing satellites from forming inside the Roche limit

C: Fragmentation of passing comets or satellites, causing the rings to be replenished on million-year timescales

D: Disruption of comets as they pass within the Roche limit