Aristarchus of Samos (Aristarchos)( Greek astronomer and mathematician)
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Biography Aristarchus of Samos (Aristarchos)
Aristarchus of Samos, Aristarchos, III in. BC, Greek astronomer and mathematician. The pupil of Strato Lampsak and Euclid, . forerunner of the heliocentric theory of the structure of the world, he argued, . that the center of the universe is the Sun, . rotates about the Earth, , . Earth and the planets are in the center of a stationary stellar sphere,
. From the constancy of the stars, which is contrary to the mobility of the Earth, A. made a brilliant conclusion that they are so far that in comparison with the length of the path of the Earth around its axis no more than a point. Brave's theory Ahead of Copernican picture of the world, found no recognition in the ancient world (she came into conflict with astronomical observations), and Cleanthes even accused the author of impiety. In the conservation of the works on the size and remoteness of the Sun and the Moon (Peri megethon kai apostegmaton heliu kai selenes) A. outlines the method of measuring the distance and size of celestial bodies. He, however, was based on incorrect data, so the results to which he came, were erroneous.