The model of the universe, Kepler (Kepler's model of the Universe) , Tycho Brahe (Tycho Brahe, AD 1546 - AD 1601) Dutch astronomer observed the movement of the planets and take notes. Work carefully every day for ten years. The result of his observations, so he does not believe in the description of planets orbiting the Sun's Coast to New Listings that the planets move around the sun in a perfect circle. But the observations and conclusions have not been successful, he died before. However, he was given a note of this observation to his assistant, who is a German Johannes Kepler (Johannes Kepler, BC - AD) "Therefore Kepler. Observers have also already has set a model universe to describe the motion of the planets that. Sun continues to be the focal point of the motion of a system by which the stars are on the fixture. The planets orbit around the sun is elliptical, not circular orbit for a layout as shown in the model of Copernicus. And the sun is located at the focal point of the elliptical orbit. In addition, Kepler also found that the description of the Tycho Brahe with his model will have more accurate data describing the model of Copernicus, too.
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