The 1919 total solar eclipse provided the first empirical test of Albert Einstein's general theory of relativity, specifically measuring how the Sun distorts light from background stars. General ...
The earliest cosmological ideas -- The early Greek philosophers -- The Pythagorean school -- Plato -- The homocentric spheres of Eudoxus -- Aristotle -- Herakleides and Aristarchus -- The theory of ...
pt. I. Ancient astronomy, from its origins to the end of the Middle Ages. The origins of astronomy -- Primitive astronomy in China, Chaldea and Egypt -- The cosmology of primitive peoples -- The ...
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