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Tychonic system

[tahy-kon-ik] /taɪˈkɒn ɪk/
noun, Astronomy.
a model for planetary motion devised by Tycho Brahe in which the earth is stationary and at the center of the planetary system, the sun and moon revolve around the earth, and the other planets revolve around the sun.
Origin of Tychonic system
1670-80; Tychon- (stem of Tycho (Brahe), Latinized form of Danish Tyge) + -ic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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