He points out how much simpler it is than the Ptolemaic system.

The popular total of about 80 circles for the Ptolemaic system seems to have appeared in 1898.

The science of astronomy had by this time totally undermined the old Ptolemaic system.

The Ptolemaic system also requires a skewed view of bond markets.

There is, in the Ptolemaic system of planned economy an essential characteristic, to which great importance should be attached.

He was disturbed, however, by certain discrepancies between the Ptolemaic system and the existing experimental data.

In the old Ptolemaic system man was at the center of the universe with the heavens rotating about him for his pleasure.

In 1671 a physics class refused to read an assigned text that supported the Ptolemaic system.

Note that unlike the Ptolemaic system, the crystal spheres are not nested within each other.

Because of its influence, people sometimes wrongly think the Ptolemaic system is identical with the geocentric model.

In this case, if the Sun is the source of all the light, under the Ptolemaic system:

Copernicus found the Ptolemaic system unsatisfying, as many had.

This system became known as the Ptolemaic system.

The Ptolemaic system needs to be replaced.

The Ptolemaic system was intended as a device for making calculations, not as a picture of the universe.

It is known as the Ptolemaic system, in contrast to the Copernican view that we still accept today.

In the Ptolemaic system, the Earth stood at the center of the universe, with the sun, planets, and stars circling around it.

The Ptolemaic system, which saw the Earth as stationary at the centre of the universe, had never been seriously challenged.

Incidentally, new facts were learned about the nature, size, and form of the earth, and the Ptolemaic system went glimmering.

The orbits of planets in the once popular geocentric Ptolemaic system are epitrochoids.

The Islamic understanding of the astronomical model was based on the Greek Ptolemaic system.

Now, the eurozone is in danger of shifting towards a Ptolemaic system with Germany at its centre.

The Ptolemaic system drew on many previous theories that viewed Earth as a stationary center of the universe.

One thing that remained in the Ptolemaic system for Brigden was the sphere of the fixed stars.

The top left sphere is a cosmological diagram - a map of the solar system according to the Ptolemaic system.

The Ptolemaic system had been accepted for more than 1,400 years.

The popular total of about 80 circles for the Ptolemaic system seems to have appeared in 1898.

Because of its influence, the Ptolemaic system is sometimes considered identical with the geocentric model.

He suggests that this model has become quite "tortured", likening it to the Ptolemaic system.

In 1671 a physics class refused to read an assigned text that supported the Ptolemaic system.

Note that unlike the Ptolemaic system, the crystal spheres are not nested within each other.

This system became known as the Ptolemaic system.

In this case, if the Sun is the source of all the light, under the Ptolemaic system:

The Ptolemaic system was intended as a device for making calculations, not as a picture of the universe.

It is known as the Ptolemaic system, in contrast to the Copernican view that we still accept today.

In the Ptolemaic system, the Earth stood at the center of the universe, with the sun, planets, and stars circling around it.

This is known as the geocentric model of the universe, or the Ptolemaic system, named after Ptolemy.

The Ptolemaic system drew on many previous theories that viewed Earth as a stationary center of the universe.

Despite the fact that the Ptolemaic system is considered geocentric, the planets' motion was not thought to be actually centered on the Earth.

As Rome overtook the Ptolemaic system in place for areas of Egypt, they made many changes.

Incidentally, new facts were learned about the nature, size, and form of the earth, and the Ptolemaic system went glimmering."

By implication, his work replacing the Ptolemaic system with a heliocentric model was prompted in part by the need for calendar reform.

The oscillation occurred over a period of 7000 years, added to the eighth (or ninth) sphere of the Ptolemaic system.

Beneath a grand arch were 2 astronomical clocks, one showing the Ptolemaic system, the other Copernican.

Major breakthroughs were often delayed by such blatantly wrong yet long-held models like the Ptolemaic system and the phlogiston theory.

One thing that remained in the Ptolemaic system for Brigden was the sphere of the fixed stars.

In the Ptolemaic system the models for each of the planets were different and so it was with Copernicus' initial models.

The Ptolemaic system was a sophisticated astronomical system that managed to calculate the positions for the planets to a fair degree of accuracy.

He thought that while this observation was incompatible with the Ptolemaic system, it was a natural consequence of the heliocentric system.

This period of vigorous investigation, in which the superiority of the Ptolemaic system of astronomy was accepted and significant contributions made to it.