Color Rhea

Jan. 20th, 2006 09:38 pm
mmcirvin: (Default)
[personal profile] mmcirvin
Here's a false-color image of the "wispy hemisphere" of Rhea that I made from infrared, green-light, ultraviolet and clear-filter images taken during the Cassini flyby on Tuesday:

Cratered terrain of Rhea with bluer cliffs

It appears that the bluer, brighter "wisps" involve regions of ice cliffs, much as they do on Dione.

(A true-color, visible-light picture of Rhea would be almost completely gray; this compression of the spectrum exaggerates small differences in redness/blueness.)
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