Saturn's two largest moon--Rhea and Titan--line up for the Cassini orbiter.

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]

from ffffff http://gizmodo.com/saturns-two-largest-moon-rhea-and-titan-line-up-for-t-1654394175

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