Hephaestus Troughs
Jet Propulsion Laboratory https://www.jpl.nasa.gov/ April 6, 2005
6 April 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows two troughs in the Hephaestus Fossae region surrounded by heavily cratered terrain.
Location near: 22.7°N, 239.0°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Northern Summer