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Rotating Dione (3D anaglyph) Cassini took a set of 15 images of Dione over a 1.5-hour period on 1 October 2011 to watch Dione's "wispy terrain" rotate into view. Cassini was about 500,000 kilometers away from Dione at the time. In this version, consecutive images have been paired into anaglyphs -- use red-blue glasses to see the 3D effect NASA / JPL-Caltech / SSI / Emily Lakdawalla