The azimuthal orthographic is thousands of years old. In the first century, Ptolemy described how a geographer named Hipparchus used the projection, which he called the analemma, to map the globe.

Their own azimuthal equidistant double-sided projection, meanwhile, scores 0.881. “We believe it is the most accurate flat map of Earth yet,” the trio write. It might technically be flat ...

“A map that is good at one thing may not be good at depicting other things.” The Mercator projection, popular on classroom walls ... Thinking out of the flat box: Software renders Earth's atmosphere ...

Monte’s map is circular, with the North Pole at the center and lines of longitude radiating outward from there—what modern cartographers call a polar azimuthal projection, a very unusual ...