These images were obtained by NASA's Cassini radar instrument during a flyby on Feb. 22, 2008. Hotei Arcus, mid-latitude terrain south of Xanadu.

The radar antenna was pointing toward Titan at an altitude of 1,000 kilometers (621 miles) during the closest approach.

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate. The Cassini orbiter was designed, developed and assembled at JPL. The radar instrument was built by JPL and the Italian Space Agency, working with team members from the United States and several European countries.

For more information about the Cassini-Huygens mission visit http://saturn.jpl.nasa.gov and http://www.nasa.gov/cassini.