Although Dione (near) and Enceladus (far) are composed of nearly the same materials, Enceladus has a considerably higher reflectivity than Dione. via NASA http://www.nasa.gov/image-feature/jpl/pia18345/a-brighter-moon

A Brighter Moon

Although Dione (near) and Enceladus (far) are composed of nearly the same materials, Enceladus has a considerably higher reflectivity than Dione. via NASA http://www.nasa.gov/image-feature/jpl/pia18345/a-brighter-moon

roygbiv1949

Little known jack of all trades.

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