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 observer ...

Imago Mundi is the only English-language scholarly periodical devoted exclusively to the history of pre-modern maps, mapping, and map-related ideas from anywhere in the world. It was founded in Berlin ...

This stone slab with the carvings of a planisphere, a chart of constellations, was made in 1396 by 11 astronomers including ...

Imago Mundi is the only English-language scholarly periodical devoted exclusively to the history of pre-modern maps, mapping, and map-related ideas from anywhere in the world. It was founded in Berlin ...

This is a hot little quartz watch with a built-in planisphere which shows you the constellations of the northern hemisphere on a glow-in-the-dark face. Not bad for a $50 watch. It even has a rubber ...