Image of Mars compiled from images captured by the Viking Orbiter 1. The center of the scene shows the entire Valles Marineris canyon system, over 1,860 miles (3,000 km) long and up to 5 miles (8 km) deep, extending from Noctis Labyrinthus, the arcuate system of graben to the west, to the chaotic terrain to the east. Credit: NASA/USGS
The image of Phobos was taken by the High Resolution Stereo Camera
(HRSC) on board ESA’s Mars Express spacecraft, is one of the
highest-resolution pictures so far of the Martian moon Phobos.
The image shows the Mars-facing side of the moon, taken from a distance of less than 200 kilometres with a resolution of about seven metres per pixel during orbit 756, on 22 August 2004. Credits: ESA/DLR/FU Berlin