Mariner 9 Valles Marineris
Height: 7 in
Width: 10 in
Note: Frame Dimensions: 16" x 14"
Mariner 9 took the first photographs of the immense Valles Marineris canyon complex, including this image of the labyrinth section at the western end. Valles Marineris is the longest canyon in the solar system, stretching approximately 2,500 miles.