Explain Ptolemy

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What is Ptolemy? Explain Ptolemy, Define Ptolemy, Meaning of Ptolemy

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Geocentrism: Why the world doesn’t revolve around you | A-Z of ISMs Episode 7 - BBC Ideas

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What Is The Ptolemaic System? (Geocentric Model)

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Heliocentrism and Geocentrism

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How can Planets be in Retrograde? Geocentrism Explained

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Ptolemy the Saviour - Alexander's General who Became Pharaoh of Egypt

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SC E01: Claudius Ptolemy- The Greek Astronomer

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History of Astronomy Part 3: Copernicus and Heliocentrism

0:18:24

Biography & Theories of Claudius Ptolemy, ancient Greco-Roman astronomer, mathematician & Geographer

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Apparent Retrograde Motion (Visual Explanation)

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An animation to explain the (apparent) retrograde motion of Mars, using actual 2020 planet positions

0:17:24

History Summarized: Alexander the Great

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Overly Sarcastic Podcast: The Ptolemies

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Geocentric vs Heliocentric Model of the Universe

0:12:43

Ancient Egypt Explained in 12 Minutes

0:15:47

Ancient Greek Astronomy

0:04:40

How We Figured Out That Earth Goes Around the Sun

0:48:39

Ptolemy I Soter, died of old age in 282 BCE

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What is Planetary Retrograde. A Complete Description. (In under 3 minutes).

0:06:00

Why all world maps are wrong

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Retrograde Motion

1:00:11

The World of Ptolemy and the Birth of the Cartographic Atlas

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History vs. Cleopatra - Alex Gendler

0:10:17

How We Decoded The Hieroglyphs Of Ancient Egypt