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 ...

Getting your Trinity Audio player ready... Some 1,500 years after stargazers began using rotating star maps to track celestial bodies’ journeys across the night sky, David Chandler figured out how to ...

“In each issue of Astronomy, you’ll find an all-sky map — a circular chart that shows the appearance of the sky after sunset this month. The all-sky map — found on page 63 of this issue — can help ...

May nights are normally warm enough that skywatchers can spend much more time taking in the awesome sights of the cosmic ceiling. But, like a diamond in the rough, it’s hard to see the true ...

The moon is growing brighter and will be full on Wednesday. If it's clear, a bright moon often makes it easier to recognize the more prominent constellations because the light hides the faint stars.

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. The new ...

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 ...

From a small island in the Venetian lagoon, a 15th-Century monk somehow designed an astonishingly accurate planisphere of the world. On the second floor of the Library of Saint Mark in Venice, a map ...

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 ...

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 ...