The origin of the dark material is unknown, but it may be accumulated dark fragments from many meteorites that hit Ganymede. In this view, north is to the top, and the sun illuminates the surface from the lower left about 58 degrees above the horizon. View of the Bright Limb on Ganymede View of the bright limb of Ganymede showing a field of bright rayed craters in the satellites equatorial region and southern hemisphere. North is to the bottom of the and the sun illuminates the surface from the left. The finest details that can be discerned in this picture are about 6.7 kilometers across.
North is to the bottom of the picture and the sun illuminates the surface from the left.
The finest details that can be discerned in this picture are about 6.7 kilometers across. Ganymede's Northern Limb View of the Northern limb region on Ganymede showing the Galileo Regio region. North is to the bottom of the picture and the sun illuminates the surface from the left. The finest details that can be discerned in this picture are about 6.7 kilometers across. Fine Details of the Icy Surface of Ganymede Dramatic view of fine details in ice hills and valleys in an unnamed region on Jupiter's moon Ganymede.