image: Simulation of Rhea's oxygen atmosphere and outflowing ions as detected by Cassini during the Nov. 26, 2005, flyby. This image relates to an article that appeared in the Nov. 25, 2010, issue of Science Express, published by AAAS. The study, by Dr. Ben D. Teolis at Southwest Research Institute in San Antonio, TX, and colleagues was titled, "Cassini Finds an Oxygen–Carbon Dioxide Atmosphere at Saturn’s Icy Moon Rhea." view more
Credit: [Image © <i>Science</i>/AAAS]