Titan (1 of 2) (IMAGE) University of Illinois Chicago Caption Diagram of the internal structure of Titan according to the fully differentiated dense-ocean model. Credit (Illustration: Kelvinsong, from Wikimedia Commons) CC BY-SA 3.0 Usage Restrictions None License Licensed content 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.