Aristotle said. The belief that the world is composed of the elements 4 elements: Earth, water, wind and fire.About the universe that Aristotle understand. The world we are the center of the universe with various stars, including the sun revolved around the heaven that outside space. The world below down, the water surface Wind over water, and the fire upon the wind again, various elements of the world is always changing. But the element that the heaven will not change shape is so forever, in which words teaching later in the year. 1609 Johann Kepler. (Johann Kepler) set laws of Kepler, which is announced that the earth revolved around the sun is ellipse. A wipe out the beliefs about the universe of Aristotle.And in another interesting story as well. The case of the two objects with equal weight. Fall to the ground as team ready to steal of Aristotle which Galileo was proved before the public bump that tower leaning of Pisa as teachings that year. In 1600.However. The theory of Aristotle biological is honored together. Because he studied about the life of animals such as fish and reptiles have been recorded and very thoroughly, he divided the animals into 2 are big. They are vertebrates and invertebrates (Vertebrates) (Invertebrates). This concept is a pioneer of this knowledge has been hailed as the world"s first national science, divine
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