The smooth, flat, relatively crater-free northern lowlands fit the profile of a young geologic surface; However, recent findings of buried basin depressions imply the underlying lowlands crust is not as young as previously thought, but ancient like t
Transverse Aeolian Ridges (TARs) are wind-produced landforms on Mars that may be either large ripples or small sand dunes. Ripples form in a very different way than dunes, so it is important to determine which these features are.
Valley networks are frequently cited as the best evidence that liquid water once existed on Mars. Currently, we are examining valley networks in other areas of Mars with the goal of understanding potential global and regional climatic differences.