In this image from NASA Mars Odyssey spacecraft showing a location about 1,000 km 620 miles west of the massive Elysium volcanic complex, a system of branching troughs shows a continuum of features that provides clues to its origin.
In this image from NASA Mars Odyssey spacecraft showing a location about 1,000 km 620 miles west of the massive Elysium volcanic complex, a system of branching troughs shows a continuum of features that provides clues to its origin.