A replica of a medieval astrolabe which is a navigation instrument capable of 43 different astronomical calculations.

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Size: 4288px × 2848px
Photo credit: © Brian Maudsley / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ages, arab, arabic, astrolabe, astrology, astronomy, brass, calculate, calendar, days, direction, map, math, math., mathematics, maths, medieval, middle, month, navigation, observations, replica, signs, spider, stars, sun, time, year