![]() Caption:A Voyager 2 image of Iapetus taken on 22 August 1981 from 1.1 million km (680,000 miles). It shows the heavily cratered northern hemisphere towards the bright trailing side of the satellite. Copyright: Credit:NASA |
![]() Caption:A Voyager 1 image of Iapetus taken on 12 November 1980 from 3.2 million km (1.9 million miles). The satellite's trailing hemisphere is four or five times brighter than its leading hemisphere. Copyright: Credit:A NASA/JPL PHOTO |