Title: [0807] Titan in true color Caption: This Voyager 1 image of Titan taken on 9 November 1980 shows its reddish clouds in true color. The southern hemisphere is lighter than the northern hemisphere. Copyright: Credit: National Optical Astronomy Observatories

Title:[0508] Titan - atmospheric bands Caption:A Voyager 2 image taken on 23 August 1981 from 2.3 million km (1.4 million miles) showing some detail in the opaque clouds covering Titan. Copyright: Credit:A NASA/JPL PHOTO

Title:[0330] Titan - atmospheric haze Caption:Titan's thick haze layer is shown in this Voyager 1 image taken on 12 November 1980 from 270,000 miles. Titan is completely enveloped by haze that merges with a darker "hood" or cloud layer over the north pole. Copyright: Credit:NASA

Title:[0507] Titan - night side Caption:A Voyager 2 image of the night side of Titan taken on 25 August 1981. The bright ring is caused by the scattering of sunlight in Titan's atmosphere. Copyright: Credit:A NASA/JPL PHOTO

Title:[3048] IR images of Titan revealing surface features (HST) Caption:Near infrared images of Titan taken with the Hubble Space Telescope in October 1994 penetrate the satellite's opaque haze and reveal features on the surface whose reflectivities vary. The four hemispheres are Saturn facing (upper left), leading (upper right), facing away from Saturn (lower left), trailing (lower right). Copyright: Credit:Peter H. Smith and NASA