We love it when maps are informational and aesthetically pleasing. From NASA:
How to make sense of Pluto’s surprising geological complexity? To help understand the diversity of terrain and to piece together how Pluto’s surface has formed and evolved over time, mission scientists construct geological maps like the one shown above.
This map covers a portion of Pluto’s surface that measures 1,290 miles (2,070 kilometers) from top to bottom, and includes the vast nitrogen-ice plain informally named Sputnik Planum and surrounding terrain. As the key in the figure below indicates, the map is overlaid with colors that represent different geological terrains. Each terrain, or unit, is defined by its texture and morphology – smooth, pitted, craggy, hummocky or ridged, for example. How well a unit can be defined depends on the resolution of the images that cover it. All of the terrain in this map has been imaged at a resolution of approximately 1,050 feet (320 meters) per pixel or better, meaning scientists can map units with relative confidence.
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