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Summary
Description |
English: Islamic Celestial Globe, 1630 A.D. This brass globe served both as a map of the heavens, as viewed from outside the starry sphere, and as a precision tool for making astronomical calculations. Engraved on its surface are various coordinate lines, constellation figures, and Arabic inscriptions. The stars are made of embedded bits of silver. The globe is hollow and was cast in one seamless piece. It was originally set in a cradle of rings, which depicted the horizon and other astronomical circles.
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Source |
http://www.nasm.si.edu/exploretheuniverse/etu_a_astrolabe.htm |
Author |
Smithsonian Institution |
Permission ( Reusing this file) |
http://www.si.edu/termsofuse/
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Licensing
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This file is licensed under the Creative Commons Attribution 2.5 Generic license. |
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http://creativecommons.org/licenses/by/2.5 CC-BY-2.5 Creative Commons Attribution 2.5 truetrue
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File usage
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