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On its fourth and final targeted flyby of Rhea, Cassini provided this stunning view of the ancient and heavily cratered surface. Billions of years of impacts have sculpted Rhea's surface into the form we see today. With a diameter of 949 miles (1527 km) Rhea is Saturn's second-largest moon. This view is centered on terrain at 33 degrees north latitude, 358 degrees west longitude. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on March 9, 2013. The view was acquired at a distance of approximately 2290 miles (3670 kilometers) from Rhea and at a Sun-Rhea-spacecraft, or phase, angle of 92 degrees. Image scale is 72 feet (22 meters) per pixel. |