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Everybody from Ptolemy up to about 1690, with a few exceptions like Copernicus and Galileo and Kepler.

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10y ago

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What was one major problem with the geocentric theory?

The sun is the center of the universe, and the planets revolve around it.


Which scientist suggested that Sun is in the center and the planets go round it?

In the 16th century, Nicolaus Copernicus was the first to suggest the heliocentric model. His thought on the matter was that the sun was in the centre of universe, and that the earth, along with the other planets, rotated around it.


What was Copernicus' idea of the motion of the planets?

He believed in Heliocentrism (That the sun was the centre of the universe, not Earth).


What did the Copernicus universe suggest?

Copernicus suggested a heliocentric model of the universe. Meaning, the earth was the centre of the universe and other planets had to orbit around the earth. This model of the universe was against Ptolemy's model of a geocentric model; a stationary Earth at the centre of the universe.


Why did people think that Copernicus was wrong?

Everyone thought that the sun orbits the Earth and all other planets but Copernicus studied the ski carefully. He found out that the Earth and all other Planets orbits the sun and the earth is not the centre of the universe. The sun is.


Who thought that the earth was the centre of the universe and that the planets had circular orbits?

The geocentric model, where Earth is the center of the universe and planets have circular orbits, was proposed by ancient Greek astronomer Ptolemy in the 2nd century. This model was accepted for over a thousand years until Copernicus introduced the heliocentric model in the 16th century.


Why did people think the earth was the centre of the universe?

... because they thought they were the most important in the universe and the only things in the universe so they thought they were in they centre.


What is heliocentrism?

In Heliocentrism, the Sun (Helios) is said to be at the centre of the universe.


How are the planet's moving in the universe?

Mainly the planets orbit round the Sun and can be considered as a closed system with the Sun fixed at the centre. However the Sun revolves around the centre of our local galaxy as well.


What is the difference between geocentric heliocentric and planetary motion?

Geocentric motion of planet is that in which earth is at the centre of the universe and all other planets revolving around it.Heliocentric motion of planets is that in which sun is the of universe and other planets revolving around it.In planetary motion all the planets includes Earth revolving around the Sun in their fixed orbit.


Is the word center a noun?

Whether a word is a noun or a verb depends on its function in the sentence. Centre is a noun in the following sentence: People thought that the Earth was the centre of the universe. Centre is a verb in the next sentence: "All these theories centre on two battles in Estonia" (quoted from Wikipedia)


What does helio centric mean?

'Helio' is Greek for Sun and 'Centric' is obviously being in the middle of things. Heliocentric is to describe the way the Solar System is, meaning the Sun is the centre of our Solar System. In earlier times, the Earth was thought to be the centre of the universe, but now we know that is not true. If the Earth wasthe centre, it would be a Geocentric Universe. Rani XD