This observation captured by NASA Mars Reconnaissance Orbiter shows a couple of landforms that may result from the loss of large amounts of ice from subsurface deposits: polygonal patterns of troughs and large scallop-shaped depressions.
This observation captured by NASA Mars Reconnaissance Orbiter shows a couple of landforms that may result from the loss of large amounts of ice from subsurface deposits: polygonal patterns of troughs and large scallop-shaped depressions.