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Kepler's model of 1609 was more accurate than Copernicus' model of 1543 because it provided a more accurate fit to measurements of the planets' positions made by Tycho Brahe at the end of the 1500s. However, both models predicted the planets' positions fairly accurately, as did the ancient theory produced by Claudio Ptolemy (90-168).
Kepler's model, which has the planets in elliptical orbits, became accepted as right after it was later demonstrated that the elliptical orbits were the result of the newly discovered law of gravity. Kepler's model is used today.
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What did nicolaus Copernicus ask Johannes Kepler?
Nothing. Copernicus died years before Kepler was born.
How did Kepler expand on Copernicus' ideas?
Kepler showed that planetary orbits were actually ellipses, not circles as proposed by Copernicus.
What is the main difference between Kepler's system and Copernicus system?
The main difference between Kepler's system and Copernicus' system lies in their approach to planetary motion. Copernicus proposed a heliocentric model, where the Sun is at the center of the solar system, while Kepler's model focused on the elliptical orbits of planets around the Sun. Copernicus' system laid the groundwork for a sun-centered model, while Kepler's laws of planetary motion provided a more accurate description of the paths planets take as they orbit the Sun.
He proved the theories of Copernicus?
Johannes Kepler
How did Johannes Kepler's theory differ from Copernicus?
Kepler formulated laws of planetary motion, while Copernicus merely(!) proposed that the sun was the center of the solar system rather than the earth.
