theory of homocentric spheres
astronomy
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developed by Eudoxus of Cnidus
- In physical science: Ancient Middle Eastern and Greek astronomy
He developed a theory of homocentric spheres, a model that represented the universe by sets of nesting concentric spheres the motions of which combined to produce the planetary and other celestial motions. Using only uniform circular motions, Eudoxus was able to “save” the rather complex planetary motions with…
Read More - In astronomy: The motion of the planets
…theory is sometimes called the theory of homocentric spheres, as all the spheres have the same centre, Earth.
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