Aristarchus of Samos, the ancient Copernicus; a history of Greek astronomy to Aristarchus, together with Aristarchus's Treatise on the sizes and distances of the sun and moon (1913)
Heath, Thomas Little, Sir, 1861-1940, Aristarchus, of Samos. On the sizes and distances of the sun and moon. English & Greek. 1913 · Oxford : Clarendon press · leaf 47
NAXIMANDER PARTI its own centre at such speed that the opening representing the suncompletes one revolution about the centre of the wheel in a year,and suppose the centre of the wheel to describe the circle in theplane of the equator at uniform speed in one day. In the figure appended, Ε represents… … Sourb Role, Fig. 2. At the winter solstice the sun is south of the equator, at thesummer solstice north of it, and the diameter of the wheel correspondsto an angle at Ε which is double of the obliquity of the ecliptic,say 470. Now, as the diameter of the suns wheel is 28 times thediameter of the…
Aristarchus, of Samos · Astronomy, Greek · Astronomers
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