A View of Titan and Saturn (image) University of Washington Share Print E-Mail Caption This image is a view of Titan, Saturn's largest moon, with its ringed host in the background. New research from the University of Washington may solve a riddle of the direction of sand dunes on the moon's surface. Credit Antoine Lucas / NASA Usage Restrictions Please credit Antoine Lucas / NASA. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.