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Bookmark or Share- Ptolemaic system | Definition & Facts | BritannicaPtolemaic system, mathematical model of the universe formulated by the Alexandrian astronomer and mathematician Ptolemy about 150 CE and recorded by him in his Almagest and Planetary Hypotheses. The Ptolemaic system is a geocentric cosmology; that is, it starts by assuming that Earth is stationary and at the centre of the universe.
- Ptolemaic Kingdom - Wikipediaɪ k /; Koinē Greek: Πτολεμαϊκὴ βασιλεία, romanized: Ptolemaïkḕ basileía) or Ptolemaic Empire was an Ancient Greek polity based in Egypt during the Hellenistic period. It was founded in 305 BC by the Macedonian general Ptolemy I Soter , a companion of Alexander the Great , and ruled by the Ptolemaic dynasty until the ...
- Ptolemaic Dynasty - World History Encyclopediapublished on 29 September 2016. Available in other languages: French, Spanish. Bust of Ptolemy I. Osama Shukir Muhammed Amin (Copyright) The Ptolemaic Dynasty controlled Egypt for almost three centuries (305-30 BCE), eventually falling to the Romans. Oddly, while they ruled Egypt, they never became Egyptian.
- Ptolemy | Accomplishments, Biography, & Facts | BritannicaThe Ptolemaic system was a geocentric system that postulated that the apparently irregular paths of the Sun, Moon, and planets were actually a combination of several regular circular motions seen in perspective from a stationary Earth.
- Last of the Kings of Egypt: The Ptolemaic DynastyThe Ptolemaic dynasty was founded by Ptolemy I Soter who declared himself king of Egypt and created a powerful empire that ruled for 275 years from 305-30 BC. Ptolemaic Egypt is distinctive in being both the last independent Egyptian dynasty and the last Hellenistic kingdom to fall to Rome.
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