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character: Ptolemy

topic: Impact of Ulugh Beg's Astronomy on Cartography

subject: History

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character: Ulugh Beg

topic: Influence on Astronomical Measurements

subject: History

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character: Copernicus

topic: Revolution in Cartography Post-Ptolemy

subject: History

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character: Al-Battani

topic: Contribution to Astronomy and Mapping Techniques

subject: History

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