The geocentric model was refined by Claudius Ptolemaeus (also known as Ptolemy) in his treatise Almagest. ... (On the Revolutions of the Celestial Spheres) until 1543, ...

For more than 1000 years, this geocentric model of the Universe was highly successful, requiring only slight tweaks and modifications over the generations. And then, in the 16th century, a ...

Before Kepler outlined his laws of planetary motion in the early 17th century, humankind’s knowledge of the solar system and beyond was in its infancy and largely remained a mystery. At the time ...

In this geocentric universe we were at the focus of all natural motions, with the stars and planets simply following perpetual circular paths around us as the crystalline spheres slid and rotated.

In order to explain the movements of the planets, Aristotle saw himself compelled to assume not less than fifty-six spheres in the sky, all concentric with the earth. Nature - Chemical Exploration ...

This so-called Geocentric model was the construction of famous Greek mathematician, astronomer Ptolemy. The model, though invaluable in helping to predict the positions of the stars and planets ...