Hillary Rebollar and Emery Reed Period 5.  Biography  Claudius Ptolemaeus  100-170 CE  Alexandria, Egypt of Roman Empire  astronomer, geographer,

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Presentation transcript:

Hillary Rebollar and Emery Reed Period 5

 Biography  Claudius Ptolemaeus  CE  Alexandria, Egypt of Roman Empire  astronomer, geographer, and mathematician  not much is known about his life Ptolemy, the Astronomer

 Astronomy at the Time  religion  geocentric universe  Earth at center, immobile  Heavens represent the Universe  perfect spheres, movements of objects are uniform  devices for observation  Zodiac Depiction of Ptolemy observing the night sky with a quadrant

 Contributions  Ptolemaic System Model  Almagest  Consolidate Greek works  Tetrabiblos Spheres of the Universe and Heaven

 Ptolemaic System  explained the irregular motion of planets in the sky  planets move on epicycles  Earth has an eccentric position  stars have own “celestial sphere” Labeled diagram of Ptolemaic ideas

Ptolemaic System: Video solar-system

 Almagest  150 CE  record of astronomical findings and observations  basic “textbook” for astronomy  divided into 13 books  background knowledge, the Sun, the Moon, tools, eclipses, stars, and planets  work with stars influenced by Hipparchus Almagest pages

 Ptolemy’s Final Influence  geocentric explanation (Ptolemaic System) used far beyond his time  ideas not challenged for 1300 years  recorded observations and ideas that continue to be studied  Almagest  preserved  design of planetariums today based on a Ptolemaic model and non-moving Earth Planetarium dome design, influenced by Ptolemaic ideals

 Department of Physics and Astronomy. "The Ptolemaic Model." Polaris Project. Iowa State University, Web. 9 Sept The Editors of Encyclopedia Britannica. "Almagest (work by Ptolemy)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 9 Sept JOC/EFR. "Claudius Ptolemy." Ptolemy Biography. University of St. Andrews at Scotland, Apr Web. 9 Sept Jones, Alexander Raymond. "Ptolemaic System." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 9 Sept Jones, Alexander Raymond. "Ptolemy." Encyclopedia Britannica Online. Encyclopedia Britannica, 6 Jan Web. 9 Sept Mahoney, M. S. "Ptolemaic Astronomy in the Middle Ages." Princeton University. Princeton University, n.d. Web. 9 Sept Bibliography: Information

 Department of Physics and Astronomy. Equant. Digital image. Polaris Project. Iowa State University, n.d. Web. 10 Sept Department of Physics and Astronomy. "The Ptolemaic Model." Polaris Project. Iowa State University, Web. 9 Sept Early Depiction of Ptolemaic System. Digital image. Ptolemaic System. Google Sites, n.d. Web. 10 Sept The Editors of Encyclopædia Britannica. "Almagest (work by Ptolemy)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 9 Sept Encyclopedia Britannica Inc. Spherical Universe. Digital image. Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 9 Sept JOC/EFR. "Claudius Ptolemy." Ptolemy Biography. University of St. Andrews at Scotland, Apr Web. 9 Sept Jones, Alexander Raymond. "Ptolemaic System." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 9 Sept Jones, Alexander Raymond. "Ptolemy." Encyclopedia Britannica Online. Encyclopedia Britannica, 6 Jan Web. 9 Sept Magruder, Kerry. Almagest. Digital image. OU History of Science Collections. WordPress, n.d. Web. 10 Sept Mahoney, M. S. "Ptolemaic Astronomy in the Middle Ages." Princeton University. Princeton University, n.d. Web. 9 Sept Ptolemy: Theory of the Solar System. Dir. Encyclopedia Britannica Inc. Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 10 Sept SFSU Astronomy. Planetarium. Digital image. SFSU Astronomy. SFSU Astronomy, n.d. Web. 10 Sept Wikimedia. Ptolemaic System. Digital image. Wikimedia. Wikipedia, n.d. Web. 10 Sept Wikipedia. Ptolemy. Digital image. Wikipedia. Wikipedia, Sept Web. 10 Sept Wikipedia. Ptolemy with Quadrant. Digital image. Wikipedia. Wikipedia, n.d. Web. 10 Sept Bibliography: Images and Video