Greek AstronomyCourier Corporation, 1.01.1991 г. - 192 страници Astronomy as a science began with the Ionian philosophers, with whom Greek philosophy and mathematics also began. While the Egyptians and Babylonians had accomplished much of astronomical worth, it remained for the unrivalled speculative genius of the Greeks, in particular, their mathematical genius, to lay the foundations of the true science of astronomy. In this classic study, a noted scholar discusses in lucid detail the specific advances made by the Greeks, many of whose ideas anticipated the discoveries of modern astronomy. |
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... hence we may suppose that he took the moon's distance to be nineteen ( or eighteen ) times the radius of the plane face of the earth , and the sun's distance twenty - eight ( or twenty - seven ) times the same radius . The sun itself he ...
... Hence the order , beginning from the centre , in the sublunary sphere is earth , water , air , fire . Now simple circular motion is more perfect than motion in a straight line . Since therefore there are four elements to which ...
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