The model of the Greek universe (Greek cosmology)
.To explain the various phenomena in the sky of the ancient Greek people that have developed based on information and knowledge in astronomy of the Sumerians and the Babylon.The Greeks applied knowledge of math in terms of number and geometry in the development of แบบจำลองเอกภพ of Greek. And invented the word "cosmology" which means "the universe." the word "cosmos.""Kosmos" which means the concept of symmetry and harmony (symmetry and harmony) Greek has developed a very important knowledge of astronomy. Is that they have discovered that earth is a sphere by mathematicians and philosophers name.(亚里士多德,384 - 325 years sulphate era). Aristotle was observed stellar moving around the Polaris and found that those stars บางด band can notice at Egypt but not be noticed at the Greek.And Alice eye modulus from Samos (Aristarchus, of Samos310 - 230 years sulphate era). It is the first book in the history of mankind, indicating that the earth moves round the sun. The sun is at the center and the earth to orbit one around in time 1 years.
model of the Ptolemaic universe (Ptoleme 's model of the Universe)
.In the past, the astronomer named hip Paracas (Hipparchus of Nicaea) was observed in the sky and stars in the sky and the roster of stars, and he also classified the brightness of each star up for the first time.(托勒密,公元127 - 151) astronomers can use this information to explain the relation of geometric model spherical objects in the sky. The Ptolemaic explained that the stars in the sky that are the permanent position in place (fixed star).The moon and the planets are moving in the sky. In the Ptolemaic explained that the world is at the center of various stars will move around the earth, the sun, the moon ดวงอ conditions and various planets to orbit around the earth."Epicycle" which moves around the center one called "deferent" and to the point. "Deferent." this will cattle together around the world, is a circle.
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