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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... true of the " discovery " , alternatively attributed to Pythagoras and Parmenides , that the Morning Star and the Evening Star are one and the same . Pythagoras seems to have held that the universe , like the earth , is spherical in ...
... true polar diameter ! The figure arrived at by Posidonius for the circumference of the earth was , according to Cleomedes , 240,000 stades . After Aristarchus , and throughout the centuries down to the 1 GREEK ASTRONOMY.
... figures , a rate of about 46-8 seconds or 43'4 seconds , as compared with the true rate of 50-3757 seconds . In a tract , On the Length of the Year , Hipparchus calculated that the tropic year is nearly one - three- lii GREEK ASTRONOMY.
... true mean tropic year by about 6 minutes . From Hip- parchus ' estimate of the " Great Year " ( 304 years including 112 intercalary months ) we obtain as the length of the mean lunar month 29.530585 days , or 29 days , 12 hours , 44 ...
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