The “Cantino Planisphere,” completed in 1502, is the second known chart to have depicted the New World. It included unpublished information on Portuguese trade routes and the ongoing discovery ...

THIS planisphere measures 5½ in. by 5 in. and can be carried in the pocket without the slightest inconvenience. It shows how the stars appear for each month on any selected day or hour to an ...

MOST students of the aspects of the heavens are familiar with the small circular planisphere having a revolving disc which can be adjusted to show the stars visible at any time of the year.

Known as a "planisphere," the map is aligned in a “north polar azimuthal projection,” meaning that the North Pole is at its center. When he published his work in a four-volume, geographic ...