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He put the sun at the centre of the solar system,not the Earth as favoured by religion.

Q: What observations did Copernicus make?

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Sir Isaac Newton

To assume that Earth and the other planets move around the sun

Other people recorded their observations of the stars and planets with astrolabes. Ptolemy came up with a (very complicated) mathematical system that would predict the location of planets over time. His basic, geocentric idea was modified over the centuries, but only became more complicated as observations became more exact. Copernicus took these observations that others had written down, and proposed a heliocentric system that he (correctly) noted was far simpler in making accurate predictions.

His most important work, On the Revolution of Heavenly Spheres , was written entirely by him. He used other's astronomical observations, but wrote the book on his own.A fellow mathematician, Georg Rheticus, was very helpful in convincing Copernicus to publish his work.

The discovery did not support Copernicus's theory directly but it raised doubts about the ancient theory of Ptolemy that said that all objects in the sky are in orbit round the Earth. Galileo was an aggressive supporter of Copernicus's theory but eventually it was Kepler's theory that became accepted and is still used today. Both Copernicus and Kepler placed the Sun at the centre but Kepler's elliptical orbits are supported by the later theory of dynamics.

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Sir Isaac Newton

Galileo Galilei

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Copernicus challenged Aristotle's theories of planetary motion due to observations that didn't align with the geocentric model, particularly the retrograde motion of planets. Through his own observations and mathematical calculations, Copernicus proposed a heliocentric model where the Earth and other planets revolve around the Sun, providing a simpler explanation for the observed phenomena in the sky.

Kepler disagreed with Copernicus on the shape of planetary orbits. Copernicus believed in circular orbits, while Kepler's observations led him to propose elliptical orbits. Kepler's laws of planetary motion refined and corrected some of the assumptions in Copernicus' heliocentric model.

NIcolus Copernicus did many observations on the spica but no one knows who discoveed the Spica Star

Galileo Galilei . He only helped support the theory through his observations , he didn't invent the model, Copernicus did.

Yes, Galileo and Newton built upon Copernicus' heliocentric theory of the universe by providing further evidence and support through their own observations and laws of motion. Galileo's telescopic observations confirmed Copernicus' model, while Newton's laws of motion and universal gravitation explained the physical principles behind the heliocentric system.

his hypothesis was based on informatin gathered from moire recent observations

To assume that Earth and the other planets move around the sun

Shortly before Copernicus died he figured that the Earth was notthecenter of things, but the Sun was. This theory is still used today. He worked out this this theory from detailed observations of the orbit of Mars.

Shortly before Copernicus died he figured that the Earth was notthecenter of things, but the Sun was. This theory is still used today. He worked out this this theory from detailed observations of the orbit of Mars.