Saturn animation

[Argonavis]

This amazing animation of Saturns rings and moons was linked on Universe Today:

http://s3.amazonaws.com/planetary/33308/cassini_ring_movie_2_ugordan.mov?



Original link and explanation here:

http://planetary.org/blog/article/00001215/

[Argonavis]

notice the ring braiding, and Pan being followed by ringlets, probably composed of ice ejected from Pan

[citivolus]

There is an interesting standing wave that gets set up briefly near the middle of the frame, which then propogates outwards. Lots of things to see there if you stare long enough.