Seeing an aurora is often considered a bucket list experience. Learn how a cartographer used maps to improve his chances.

MR. STEERS's useful little book on map projections, the third edition of which has recently been issued, is written for those students of geography who have only the most elementary knowledge of ...

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.

In simple terms, a polar panoramic, or stereographic projection, is a way to map a sphere as a plane. We could throw around some ridiculous math words like azimuthal, bijective and isometry, but ...