Hidden Among Waves

Saturn's moon Daphnis, appearing as a tiny speck in the Keeler
Gap of the A ring on the far right of this Cassini spacecraft image, is almost
lost among the moon's attendant edge waves. Daphnis (8 kilometers, or 5 miles
across) has an inclined orbit relative to the ringplane. Its gravitational pull
perturbs the orbits of the particles of the A ring forming the Keeler Gap's edge
and sculpts the edge into waves having both horizontal (radial) and out-of-plane
components.