Chapter

Chapter Five

Alan C. Bowen and Robert B. Todd

in Cleomedes' Lectures on Astronomy

Published by University of California Press

Published in print January 2004 | ISBN: 9780520233256
Published online March 2012 | e-ISBN: 9780520928510 | DOI: http://dx.doi.org/10.1525/california/9780520233256.003.0006
Chapter Five

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This chapter illustrates that the shape of the Earth is spherical. It also demonstrates that both the whole cosmos, and its most significant parts, do have the Earth's shape. It then shows that the the Earth is neither flat, nor concave, nor square, nor pyramidal. It reports that it is absolutely necessary that the Earth be spherical. It is necessary that the air enclosing the Earth also be a sphere, since exhalations from the whole of the Earth rise and flow together and thus fashion the same shape for the air too. The cosmos is the most complete of all bodies, while the sphere is the most complete of all shapes.

Keywords: shape; Earth; spherical; cosmos; air

Chapter.  4217 words. 

Subjects: Classical Philosophy

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