[Robert A Cook PE]

It always amazes me how sharp and distinct (narrow!) the rings are.

Funny too, in all of the 50's and 60's science fiction stories, rings would be drawn around one planet (never two or three!) on the cover of "foreign" solar systems.

But NO ONE EVER assumed rings would be found on several different planets in our own solar system.

[cogitator]

It always amazes me how sharp and distinct (narrow!) the rings are.

There must be some high-mathematical orbital dynamics reason for that, but yes, they must be only a few km wide.

Have you seen Cassini pictures of the moonlets that make the gaps in the rings? There's one (and a movie) that shows waves in the rings created by the moon as it goes by. Wild.

[secret garden]

Fascinating picture Robert.