Two Waves in One Spectacular Image of Saturn's Rings
 Jet Propulsion Laboratory  https://www.jpl.nasa.gov/ July 1, 2004
This image shows a bending wave (right) and density wave in Saturn's A ring, interior to the Encke Gap. It was taken by the narrow angle camera on the Cassini spacecraft after successful entry into Saturn's orbit. The view shows the dark, or unlit, side of the rings.
