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Ptolemy's theory accounted mathematically for the movement of the planets, Sun and Moonand the stars.
However, Ptolemy thought the Earth is the center of the universe, which is wrong. Galileo helped prove that the Sun is the center of our solar system by the use of his homemade telescope. Ptolemy thought that the Sun, planets, and stars rested on crystal spheres that revolved around Earth. Ptolemy had toput in things called "epicycles" and other ideas, to make his system work.

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11y ago
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7mo ago

Ptolemy's theory was a geocentric model of the universe, where the Earth was believed to be at the center with the planets and sun orbiting around it in perfect circles. This theory held influence for centuries until heliocentrism was proposed by Copernicus and later confirmed by Galileo.

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Q: What was Ptolemy's theory?
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Related questions

Which Scientists disaprove Ptolemys geosentric theory of the universe?

Galileo and Copernicus were two of the scientists to disprove Ptolemy's geocentric theory of the universe. The Ptolemaic theory stated that the center was earth.


How did Copernicus disprove ptolemys theory about the universe?

Shortly before Copernicus died he figured that the Earth was notthecenter of things, but the Sun was. This theory is still used today. He worked out this this theory from detailed observations of the orbit of Mars.


Who was ptolemys?

Cleopatra


Who was ptolemys wife?

you are a ideot dumb one


How is Copernicus' description of the system of planets different from ptolemys description?

Ptolemy thought the earth was the center of the solar system (Otherwise known as the Geocentric theory) and Copernicus's idea was that the sun was at the center of the solar system (Heliocentric theroy).


What was foundation of Ptolemys geocentric model of the universe?

Earth was the center of the universe


In the late 1500s ptolemys observations were supplanted by those of...?

later Greek astronomers


What year was ptolemys world map made in?

his map was made in 1482. and used by cristpher colombus.


Ptolemys proof of his beliefs would be acceptable today why or why not?

Yes, it would be! And No it wouldn't at the same time!


Did Cleopatra have 6 siblings?

lets she...there was tryphaeana, berenice, arsinoe, and the two tiny ptolemys. . . .that makes five


What was ptolemys explanation for why the planets seemed to move at different speeds?

The planets move on little circles that move on bigger circles.


What page does Nathaniel kiss Kitty in Ptolemys Gate?

he doesn't. They barely realize that they may like each other until one of them dies.