Rhea

Caption NASA:"The sun's low angle near the Terminator highlights the topography of craters within Rhea's wispy terrain. (...)
This view looks toward the Trailing Hemisphere of Rhea (approx. 1528 Km, or 949 miles across). North is toward the top of the image.

The image was taken in visible light with the Cassini Spacecraft narrow-angle camera on June 10, 2008. The view was acquired at a distance of approx. 758.000 Km (such as about 471.000 miles) from Rhea and at a Phase Angle of 51°.
Image scale is roughly 5 Km (a little more than 3 miles) per pixel".