Claudius Ptolemy lived in Rome around 100 AD. His model of the solar system and heavenly sphere was a refinement of previous models developed by Greek .

220 B.C.), Hipparchus (190-120 B.C.), and finally Claudius Ptolemy of Alexandria . evolved the first geocentric model of the celestial system wherein he .

Philosophers such as Hipparchus and Aristotle have left their mark on the geocentric theory . It was however a scholar at Alexandria named Claudius Ptolemy .

Claudius Ptolemy was an ancient Hellenistic mathematician, geographer, . Ptolemy's model, like those of his predecessors, was geocentric and was almost .

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Jump to Ptolemaic Model‎: The Ptolemaic system, espoused by the Hellenistic astronomer Claudius Ptolemaeus in the 2nd century AD finally accomplished .

Jump to Claudius Ptolemy‎: Because of its influence, the Ptolemaic system is sometimes considered identical with the geocentric model. .

We know very little of Ptolemy's life. His name, Claudius Ptolemy, . until a century after Copernicus presented his heliocentric theory in 1543. Ptolemy .

By the time Claudius Ptolemy gave his name to it, Aristotle's rather simplistic heliocentric model had acquired a mathematical sophistication (and .

The geocentric model was brought to a high level of sophistication by the last of the Greco- Roman astronomers, Claudius Ptolemy (fl. .

Brief and Straightforward Guide: Who is Claudius Ptolemy? . Ptolemy posited a geocentric model of the earth, where the planets and sun revolved around the .

His name Ptolemy is, in fact, an Egyptian name, while Claudius is a Roman name. . He presented the so-called geocentric theory, which stated that the .

Around 140 A.D., Claudius Ptolemy wrote thirteen volumes on the motion of the planets, and put the geocentric theory in its finest form. .

The ancient Greek astronomer Claudius Ptolemy (c. 100-170) developed a geocentric model that was used for 1400 years to calculate the positions of planets. .

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2 answers - Sep 17, 2008Claudius Ptolemy lived and worked in the city of Alexandria, . It follows, from the above discussion, that the geocentric model of Ptolemy .

There was a good physical explanation for a geocentric model and for a spherical Earth. . In the second century AD, Claudius Ptolemy (an atheist as we now .

His name, Claudius Ptolemy, is of course a mixture of the Greek Egyptian ' Ptolemy' . presented his heliocentric theory in the De revolutionibus of 1543. .

Jan 25, 2011 – This reality is reflected in Ptolemy's geocentric model of the universe; despite being inaccurate in relationship to the solar system, .

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Apr 18, 2006 – Claudius Ptolemy was born around 85AD in Egypt. . His geocentric astronomic model was based on Aristotle even though Aristarchus of Samos .

He was saying that man was insignificant in the universe and that the Claudius Ptolemy's Geocentric theory that the earth was a fixed, immovable mass at the .

The lack of any observable parallax was considered a fatal flaw of any non- geocentric theory. Claudius Ptolemy --- Although the basic tenets of Greek .

Aug 2, 2009 – This model is also called the Ptolemaic system in honor of the Greek scientist and philosopher Claudius Ptolemy, although the thory was .

One of the most influential Greek astronomers, geographers and mathematicians of the time, Claudius Ptolemy, supported the geocentric theory of the universe .

Mar 5, 2011 – Claudius Ptolemy eloquently refined these assertions in his book Almagest. . . As Claudius dies, so does Ptolemy's geocentric model. .

Claudius Ptolemy was one of the greatest and most influential astronomer and . who worked on the geocentric theory of the universe influenced Ptolemy. .

Claudius Ptolemy's geocentric theory of the universe, proposed in 140 A.D., formalized what even preliterate humans had known intuitively: the sun went .

Claudius Ptolemy, also referred to as Claudius Ptolemaeus, lived in Alexandria. . a geocentric model to explain the movement of the sun and the planets. .

THe planetary model of Claudius Ptolemy (fl. 140 AD) was one of the most .

Ptolemy (or Claudius Ptolemaeus or Klaudios Ptolemaios) (Πτολεμαίος . Planetary orbits are complex in a geocentric world model, like that of Ptolemy. .

Apr 13, 2011 – The first publication covers the topic of germ theory and the third, atomic theory. Claudius Ptolemy's geocentric theory of the universe, .

Aug 4, 2003 – It is in the work of Claudius Ptolemy, who lived in the second century CE, . in heliocentric terms by the addition of the Earth's annual motion to the motion . Typical Ptolemaic planetary model(From Michael J. Crowe, .

This is the "geocentric theory." Aristotle set forth this theory in a book . Claudius Ptolemy (85-165 AD) was a later philosopher who lived in Alexandria. .

Ptolemy Latin in full Claudius Ptolemaeus (fl. AD 127-145, Alexandria), . his geocentric theory, which is popularly known as the Ptolemaic system. .

May 11, 2011 – Ptolemy was probably born in Greece, but his actual name, Claudius Ptolemaeus, reflects all that is. He propounded the geocentric theory .

Jun 17, 2009 – The geocentric model, also known as the Ptolemaic system, . Greece and was named after the philosopher Claudius Ptolemy who lived circa 90 .

Within geocentric thinking is a version of relativity, which Ptolemy and most likely . whose efforts culminated in the work of Claudius Ptolemy (c. .

Claudius Ptolemy lived and worked in the city of Alexandria, capital of the . As such, the fact that the model described in the Almagest is geocentric in .

Around 140 A.D., Claudius Ptolemy wrote thirteen volumes on the motion of the planets, and put the geocentric theory in its finest form. .

Jump to Ptolemy's Theory‎: Ptolemy's Mathematical-Geocentric Theory . This theory was represented well by Claudius Ptolemy. Claudius Ptolemy's .

The second simplified drawing illustrates the geocentric model of Claudius Ptolemy (fl. 140 A.D.) in somewhat greater detail. Again no attempt has been made .

Ptolemy: Ptolemy, Latin in full Claudius Ptolemaeus (fl. . time to formulate his geocentric theory, which is popularly known as the Ptolemaic system. .

Ptolemy's geocentric model of the cosmos. The influence of Aristotle was significant. Around 150 AD, Claudius Ptolemaeus (Ptolemy) elaborated Aristotle's .

Despite the fact that the Ptolemaic system is considered geocentric, the planets ' . Ptolemy's model, in part, sought to explain this behavior. . Claudius Ptolemy refined the deferent/epicycle concept and introduced the equant as a .

Aug 1, 2003 – Claudius Ptolemy was one of the most influential Greek astronomers and geographers of his time. Ptolemy propounded the geocentric theory in .

Claudius Ptolemy was born in 85 AD in Egypt. One of the most famous Greek astronomers he introduced the geocentric theory, stating that the earth was the .

Oct 26, 2008 – Ptolemy (aka Claudius Ptolemaeus, Ptolomaeus, . of epicycles and eccentric circles to explain his geocentric theory of the solar system. .

Ptolemy, or in Latin Claudius Ptolemaeus (ca. 90 – ca. . Ptolemy's geocentric model or theory put the Earth at the center of the universe—a theory often .

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