How Did The Ptolemaic Model Explain The Apparent Retrograde Motion Of The Planets?

This problem has been solved. B It held that the planets moved along small circles that moved on larger circles around Earth.

Lesson 2

A It placed the Sun at the center so that the planets apparent retrograde motion was seen as Earth passed each one in its orbit.

How did the ptolemaic model explain the apparent retrograde motion of the planets?. The problem with perfectly circular orbit around the Earth is that they do not explain the occasional backward motion or retrograde motion of the planets. Another version of the model suitable for the Moon had the direction of the line from apogee to perigee gradually shift. In 2 AD Ptolemy refined Aristotles model and added some key elements to explain retrograde motion.

When Copernicus first created his Sun-centered model of the universe it did not lead to substantially better predictions of planetary positions than the Ptolemaic model. He says that retrograde motion is an illusion or apparent motion due to Earth passing or lapping Mars in its orbit and Mars being closer that the background fixed stars. 20 How did the Ptolemaic model explain the apparent retrograde motion of the planets.

Ptolomys model of the solar system was geocentric where the sun moon planets and stars all orbit the earth in perfectly circular orbits. The most striking of these was retrograde motion. How Did The Ptolemaic Model Of The Universe Explain Retrograde Motion.

How did the Ptolemaic model explain the apparent retrograde motion of the planets. How did the Ptolemaic model explain the apparent retrograde motion of the planets. Planets also grow brighter or dimmer as they move through the sky.

How did the Ptolemaic model explain the apparent retrograde motion of the planets. AIt held that the planets moved along small circles that moved on larger circles around the earth. With this simple eccentric model Ptolemy explained the Suns varying motion through the zodiac.

Retrograde motion for outer planets occurs as the Earth passes the planet at opposition. The planets travel in circles as they move around earth in a circle. Aristotles model of the universe had trouble explaining some planetary phenomena.

4 – Why did Greek astronomers conclude that the. 9 How did the Ptolemaic model explain the apparent retrograde motion of the planets. Earth moves away from the planets causing them to appear to move.

A It held that the planets moved along small circles that moved on larger circles around Earth and that the combined motion sometimes resulted in backward motion. BIt held that sometimes the planets moved backward along their circular orbits. Ptolemy called this an epicycle and it would remain unquestioned for almost 12 centuries.

Answer to How did the Ptolemaic model of the universe explain retrograde motion. It held that the planets moved along small circles that moved on larger circles around Earth. According to Newtons first law of motion the object will.

See full answer below. In retrograde motion each planet seems to slow down at times then move in reverse or retrograde before resuming its course. A planet orbiting Earth would also have to move in a smaller orbit around the orbital path to address retrograde motion.

How did the geocentric model explain the retrograde motion of planets. In order to explain the motion of the planets Ptolemy combined eccentricity with an epicyclic model. B It held that sometimes the planets moved backwards along their circular orbits.

Suppose an object is moving in a straight line at 50 mihr. Planets move on two different sets of circles a different view. Because Ptolemy believed in the geocentric model retrograde motion of the planets proved to be a challenge for this astronomer.

Like a car you are passing appears to move backwards. In the 3rd century AD Ptolemy gave solutions to explainretrograde motion. A It held that the planets moved along small circles that moved on larger circles around Earth.

In the Heliocentric Model of the Solar System the Earth and other planets revolve around the sun. In Ptolemys theory the planets move in a circle called Epicycle which at the same time its center revolves around a larger circle that goes around the earth and is called deferent. The planets move backward when they get too close to earth.

4 – How did the Ptolemaic model explain retrograde. 2 It placed the Sun at the center so that the planets╩╣ apparent retrograde motion was seen as Earth passed each one in its orbit. 4 – In what ways were the models of Ptolemy and.

The model showed that apparent retrograde motion occurs as Earth passes by another planet in its orbit of the Sun. 4 – Why did classical astronomers conclude that Earth. What is stellar parallax.

B It varied the motion of the celestial sphere so that it sometimes moved backward. 4 – Why did the Copernican hypothesis win gradual. Earth moves faster in its orbit and passes the other planets.

1 It held that sometimes the planets moved backward along their circular orbits. How did the Ptolemaic model explain the apparent retrograde motion of the planets. How did the Ptolemaic model explain the apparent retrograde motion of the planets.

The planets moved along small circles that moved on larger circles around the Earth. 4 – Why is it difficult for scientists to replace an.

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