When i first viewed this image it appealed to me as it looks like a giant sand ball. The outer texture visually appears to be loose and sand like.The description says that the moon is being lit by Saturns light, which can obviously be seen on the right side of the image. However what is illuminating the rest of the moon? There must also be light coming from other nearby stars or other planets to allow the moon to emit light. The satellite which took the image contains evidense of the possibilities of ice crystals under the surface of the moon. This might explain the the surface composition.
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