geocentric system


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Related to geocentric system: Heliocentric System

geocentric system:

see Ptolemaic systemPtolemaic system
, historically the most influential of the geocentric cosmological theories, i.e., theories that placed the earth motionless at the center of the universe with all celestial bodies revolving around it (see cosmology).
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geocentric system

A model of the Solar System or of the Universe, such as the Ptolemaic system, that has the Earth at its center.
References in periodicals archive ?
To make a lasting impression on his royal patron, Archimedes seeks a universe vaster than the commonly accepted geocentric system of his day, with its tightly nested heavenly spheres arrayed concentrically around a stationary Earth.
It is suitable to determine geodetic geographical coordinates in geocentric system because it allows us to compute absolute deflections of the vertical.
Aristotle attacked this idea and instead worked out a geocentric system of more than fifty rotating and counter rotating crystalline spheres.
The Ptolemaic geocentric system (from Greek ge=the Earth") collapsed, and the Earth was now removed from the center of the Universe to the role of a smallish planet.
It soon became clear that Copernicus's heliocentric theory was far more elegant and more powerful than the Ptolemaic geocentric system. The Copernican system needed considerable refinement before it would satisfy the scientific need for precision both in accounting for the phenomena that had thus far been observed and in predicting those that would take place in the future.