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How did keplers work improve on or support Copernicus heliocentric theory?
Kepler completely replaced Copernicus's theory of the orbits of the planets, which was based on circles an epicycles, with a new theory using elliptical orbits. However Kepler retained Copernicus's idea of placing the Sun at the centre.
How did Galileo's observations of Jupiter's moons support Copernicus theory?
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.
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.
What coperniesn ideas did Kepler prove?
The only part of Copernicus's theory that Kepler retained was the idea that the Sun is at the centre of the Solar System.
What did nicolaus Copernicus ask Johannes Kepler?
Nothing. Copernicus died years before Kepler was born.
