The moon Tethys stands out as a tiny crescent of light in front of the dark of Saturn night side. Tethys can be seen above the ringplane on the far right of this NASA Cassini spacecraft image.
The moon Tethys stands out as a tiny crescent of light in front of the dark of Saturn night side. Tethys can be seen above the ringplane on the far right of this NASA Cassini spacecraft image.