Saturn’s two largest moon—Rhea and Titan—line up for the Cassini orbiter. Rhea’s pock-marked surface provides a beautiful contrast to the golden glow of Titan—though they’re both actually made up of largely similar material. [ESA]
Saturn’s two largest moon—Rhea and Titan—line up for the Cassini orbiter. Rhea’s pock-marked surface provides a beautiful contrast to the golden glow of Titan—though they’re both actually made up of largely similar material. [ESA]
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