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Details
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Description
A striking brass wall hanging built around a celestial globe, a model of the night sky in the classical Islamic tradition.
HISTORICAL BACKGROUND
Celestial globes are among the oldest scientific instruments of the Muslim world. A globe of this kind maps the entire night sky onto a sphere, the opposite of an ordinary globe, showing the heavens as though viewed from outside.
The constellation figures descend from Abd al-Rahman al-Sufi (903–986), the Persian astronomer whose Book of Fixed Stars, completed around 964 CE, revised Ptolemy's catalogue of 48 constellations and recorded the old Arab star names alongside the Greek ones. Those names are still used by astronomers everywhere today: Aldebaran, Rigel, Vega, Altair, Deneb, Betelgeuse.
Astronomers used such globes to teach students, to convert between coordinate systems, to work out when a given star would rise or set, and to tell the time at night. Unlike an astrolabe, which is cut for one latitude, a globe works anywhere on earth.
DETAILS
• Material: brass
• Condition: complete and solid, sphere rotates, no dents or repairs
• Hangs straight onto a wall hook
Price: Rs 125,000 (negotiable)
Location: Karachi
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Ad ID: 1119815037
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