Memphis Facula

Memphis Facula
A mosaic image of Memphis Facula assembled from Voyager 2 images, taken on July 9, 1979. The smaller, darker, more rugged Nidaba to its upper right is considered a crater.
Feature typeFacula
Coordinates14°06′N 131°54′W / 14.1°N 131.9°W / 14.1; -131.9
Diameter360 km (220 mi)
EponymMemphis, Egypt

Memphis Facula /ˈmɛmfɪs ˈfækjʊlə/ is a palimpsest, or "ghost crater", on Ganymede, the largest of the Jovian satellites. It is a bright, circular surface feature that is about 360 km (220 mi) across, and is considered relatively old.