But I was bored, and created a set of images, thinking of possible signatures.
Base, created image:

And the base image with a little "stone's throw" wave action:

It just so happens that the "planet ring" when rippled, looks like the water source at the center of the image, although it is off by a few pixels.
Base, created image:

And the base image with a little "stone's throw" wave action:

It just so happens that the "planet ring" when rippled, looks like the water source at the center of the image, although it is off by a few pixels.