“Staggering Structure” was uploaded to Flickr

This view from NASA's Cassini spacecraft shows a wave structure in Saturn's rings known as the Janus 2:1 spiral density wave. via NASA ift.tt/2gKui8n
embiggen by clicking http://ift.tt/2xehSjU
Staggering Structure was taken on September 06, 2017 at 09:31AM