Rings a bell (another Saturn gigant-o-GIF)

Okay, one last gigant-o-GIF before the weekend’s out. Again, the subject is the rings of Saturn. Big animated GIF after the jump.

What’s all that stuff appearing momentarily in the blackness of space? Stars and moons! But no clovers.

The “clumping” in that outer ring has been a vexing puzzling since the Voyager days. I’ve read about magnetic resonance and the gravitational influence of shepherd moons and so on (but no clovers), but those all seem to be under the “best guesses that fit the evidence” category. We’re just going to have to go there and look around.