These objects provide functionality for manipulating data from the Cassini-Huygens Mission to Saturn and its moons. Four NASA spacecraft have been sent to explore Saturn. Pioneer 11 was first to fly past Saturn in 1979. Voyager 1 flew past a year later, followed by its twin, Voyager 2, in 1981. The Cassini spacecraft is the first to explore the Saturn system of rings and moons from orbit. The European Space Agency's Huygens Probe dove into Titan's thick atmosphere in January 2005. The sophisticated instruments on both spacecraft are providing scientists with vital data and the best views ever of this mysterious, vast region of our solar system.

Mission site: http://saturn.jpl.nasa.gov/

USGS Astrogeology: http://astrogeology.usgs.gov/Missions/Cassini/