The approach researchers use to do this depends on the level of detail they start with. Maps at 2 to 3 ångström (Å, a unit of length used to express the size of atoms and molecules) are generally ...

The high-resolution images from the HiRISE camera will have a bit more general appeal than the DTMs. HiRISE is designed to capture fine details with a resolution of 25 cm (9.8 in) per pixel ...