Why is Ptolemy important?

Question:

Why is Ptolemy important?

Flat Earth v. Round Earth:

Earth was commonly referred to as flat during ancient times, but Ptolemy described the planet as spherical in his geocentric theory, contrary to popular opinion.

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Ptolemy is important for his contributions to astronomy and mathematics. His book, The Almagest, detailed the stars, constellations, planets, and...

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Biography of Ptolemy: History, Facts & Contributions

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Chapter 3 / Lesson 17
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Learn about Ptolemy, the Greco-Egyptian intellectual that contributed research to fields such as astronomy, geography, and mathematics within the Roman Empire.


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