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Kepler thought that the planets were all rotating on giant celestial spheres which were stacked between the 5 platonic solids.
You can read about this in his book: Mysterium Cosmographicum
Copernicus thought the planets orbits are circular, kepler decided they are elliptical. This however took him many years to discover, as also he thought that they were circular for a very long time.
It was when one of the top astronomers of that time died (Tycho Brathe) and he got hold of his data that Kepler could finally make accurate calculations.
From these calculations he found that the planets must have elliptical orbits, and he chose to believe Brathe's data rather than the age old belief in circular orbits.
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Which assuptions do ptolemy and Copernicus disagree upon?
Ptolemy thought the earth was the center of the universe, so that the stars, the other planets and the sun revolved around the earth; Copernicus realized that for the orbits of the planets to make sense, the earth and the other planets had to revolve around the sun.
How did newtons work support the early workers of Copernicus Kepler and gailileo?
Newton's work on universal gravitation provided a mathematical framework to explain the motion of planets proposed by Copernicus, Kepler, and Galileo. Newton's laws of motion and law of universal gravitation helped reinforce and build upon the heliocentric model proposed by Copernicus and the laws of planetary motion established by Kepler. Galileo's observations of celestial bodies also aligned with Newton's laws, providing further support for the accuracy of Newtonian physics.
How do you use Copernicus contribution?
Copernicus' contribution to astronomy was the heliocentric model, which placed the sun at the center of the solar system instead of Earth. This model revolutionized our understanding of the cosmos and laid the foundation for modern astronomy. Scientists continue to build upon Copernicus' work to further explore the universe.
Who was galileo's role model?
Galileo's role model was Copernicus, who pioneered the heliocentric model of the solar system. Galileo was greatly inspired by Copernicus' work and built upon it with his own observations and experiments.
Copernicus heliocentric model failed to work as well as it might to predict the positions of planets because Copernicus insisted the orbits were?
non-circular and perfectly spherical, which led to inaccuracies in predicting planetary positions. His model included uniform circular motion which didn't match the observed elliptical paths of planets. This limitation was later addressed and improved upon by Johannes Kepler's laws of planetary motion.
