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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... causes ) , whereas physical con- siderations should enter into the inquiry : a condition which the Greek astronomers sought to fulfil , while taking from the barbarians certain facts which they had learnt from their observations of ...
... cause of all things is water ; earth is the result of condensation of water , air is produced from water by rarefaction , and air again when heated becomes fire . We may assume therefore that , in Thales ' view , there was in the ...
... cause was not water nor any other of the so - called elements , but what he called the Infinite or Unlimited , simply . The nature of this primordial substance he did not define ; it was a kind of indeterminate stuff out of which " the ...
... caused by gradual turnings of the bowl . There is a new sun every day . Heraclitus held ( as did Epicurus afterwards ) that the diameter of the sun is one foot , and that its actual size is the same as its apparent size . It would seem ...
... cause . Further , Plato in the Cratylus speaks of " the fact which he ( Anaxagoras ) recently asserted , namely that the moon has its light from the sun . " It may be , as Burnet says , that this was only the first intro- 1 The ...
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V | 3 |
VI | 9 |
VII | 11 |
VIII | 12 |
IX | 13 |
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XXXIII | 82 |
XXXV | 91 |
XXXVI | 93 |
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