NASA’s Cassini spacecraft captured this view of the Janus 2:1 spiral density wave in Saturn’s rings on June 4, 2017.
Image credit: NASA/JPL-Caltech/Space Science Institute
That is spectacular. Seriously. Looks like window blinds. Or a record!
The farther out we go, the weirder it gets.
ETA: Is it me? It looks like it’s moving. A commenter said that as well. Weird.