For a perfect moment in time, two of Saturn's moons aligned into a bullseye.
The smaller of the moons seen is Enceladus, which has an icy landscape. (Video via NASA)
Below its surface lies a global ocean, the source of water for "geyser-like spouts" on the surface. (Video via NASA)
The other moon in the image, Tethys, is roughly twice as large as Enceladus.
Saturn has over 60 moons in all. With all that competition, you can see why two of them would want to stand out.
This video includes images from Getty Images.