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  2. Ptolemaic Kingdom - Wikipedia

    en.wikipedia.org/wiki/Ptolemaic_Kingdom

    By Ptolemy XII's time, Rome had achieved a massive amount of influence over Egyptian politics and finances to the point that he declared the Roman senate the guardian of the Ptolemaic Dynasty. He had paid vast sums of Egyptian wealth and resources in tribute to the Romans in order to regain and secure his throne following the rebellion and ...

  3. Geography (Ptolemy) - Wikipedia

    en.wikipedia.org/wiki/Geography_(Ptolemy)

    The fact that Ptolemy did not represent an eastern coast of Asia made it admissible for Behaim to extend that continent far to the east. Behaim’s globe placed Marco Polo’s Mangi and Cathay east of Ptolemy’s 180th meridian, and the Great Khan’s capital, Cambaluc ( Beijing ), on the 41st parallel of latitude at approximately 233 degrees East.

  4. Geocentric model - Wikipedia

    en.wikipedia.org/wiki/Geocentric_model

    Adherence to the geocentric model stemmed largely from several important observations. First of all, if the Earth did move, then one ought to be able to observe the shifting of the fixed stars due to stellar parallax. Thus if the Earth was moving, the shapes of the constellations should change considerably over the course of a year. As they did ...

  5. Almagest - Wikipedia

    en.wikipedia.org/wiki/Almagest

    An edition in Latin of the Almagestum in 1515. The Almagest (/ ˈ æ l m ə dʒ ɛ s t / AL-mə-jest) is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy (c. AD 100 – c. 170) in Koine Greek. [1]

  6. Primum Mobile - Wikipedia

    en.wikipedia.org/wiki/Primum_Mobile

    Copernicus accepted existence of the sphere of the fixed stars, and (more ambiguously) that of the Primum Mobile, [6] as too (initially) did Galileo [7] – though he would later challenge its necessity in a heliocentric system. [8] Francis Bacon was as sceptical of the Primum Mobile as he was of the rotation of the earth. [9]

  7. Ptolemy's world map - Wikipedia

    en.wikipedia.org/wiki/Ptolemy's_world_map

    The Ptolemy world map is a map of the world known to Greco-Roman societies in the 2nd century. It is based on the description contained in Ptolemy 's book Geography , written c. 150 . Based on an inscription in several of the earliest surviving manuscripts, it is traditionally credited to Agathodaemon of Alexandria .

  8. The time when a day on Earth was just 19 hours long - AOL

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  9. Ancient Greek astronomy - Wikipedia

    en.wikipedia.org/wiki/Ancient_Greek_astronomy

    Bounded elongation is the angular distance of celestial bodies from the center of the universe. Ptolemy's model of the cosmos and his studies landed him an important place in history in the development of modern-day science. In the Ptolemaic system, the Earth was at the center of the universe with the Moon, the Sun, and five planets circling it.