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When did Ptolemy make is model?

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Anonymous

11y ago
Updated: 8/20/2019
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Related Questions

Why is Copernicus' model much simpler than Ptolemy's?

Copernicus' model is simpler than Ptolemy's because it places the sun at the center of the solar system, with planets orbiting around it in nearly circular paths. This heliocentric model eliminates the need for complex epicycles, which Ptolemy used in his geocentric model to explain the retrograde motion of planets. Copernicus's model also provides a more elegant explanation for the observed movements of celestial bodies.


How was Ptolemy model different from the earlier greek model?

Ptolemy's model is different from the earlier Greek model because Ptolemy developed a compllex geocentric model of the universe and his model seemed to explain motions until the 1500s.The early Greek astronomers believed that Earth was the center of the universe.


Did ptolemy's model of the universe excluded any reference to heaven?

No, Ptolemy's model of the universe did not exclude reference to heaven. Ptolemy's geocentric model included the concept of celestial spheres, with the outermost sphere considered to be the realm of the fixed stars or heavens.


How was ptolemy's different from the earlier Greek model?

Ptolemy's model is different from the earlier Greek model because Ptolemy developed a compllex geocentric model of the universe and his model seemed to explain motions until the 1500s.The early Greek astronomers believed that Earth was the center of the universe.


What was ptolemy's discoveries?

his model of the universe.


How was Copernicus model of the universe different from ptolemy's?

Copernicus's model thought that the planets orbited the sun. Ptolemy's model thought that the planets orbited the moon.No. The above answer is incorrect.Copernicus's model thought that the planets orbited the sun. Ptolemy's model thought that the planets orbited the EARTH in epicycles. Not the moon. (The model that modeled the planets orbiting earth was the Geocentric model. Aristotle theorized this.)Copernicus's model is known as the Heliocentric model. Ptolemy's theory of epicycles is when the planets revolved in large circles around Earth.


How was Copernicus model of the universe different from Ptolemy's model?

Copernicus's model thought that the planets orbited the sun. Ptolemy's model thought that the planets orbited the moon.No. The above answer is incorrect.Copernicus's model thought that the planets orbited the sun. Ptolemy's model thought that the planets orbited the EARTH in epicycles. Not the moon. (The model that modeled the planets orbiting earth was the Geocentric model. Aristotle theorized this.)Copernicus's model is known as the Heliocentric model. Ptolemy's theory of epicycles is when the planets revolved in large circles around Earth.


What did ptolemy invent?

geocentric model & epicycles


Who proposed the geocentric model of the universe?

The geocentric model of the universe was proposed by ancient Greek astronomers like Aristotle and Ptolemy. This model placed the Earth at the center of the universe with celestial bodies orbiting around it.


What was the earth centered model created by Ptolemy called?

The earth-centered model created by Ptolemy is called the Ptolemaic model or geocentric model. It proposed that the Earth was the center of the universe, with all celestial bodies moving around it in circular orbits.


Who created the first model of planetary motion?

Ptolemy created the Geocentric model in 2AD


What was Ptolemy trying to explain in his model by haven't the planets move on smaller circles that move big circles?

ptolemy did something