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Tychonic system

[tahy-kon-ik]
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noun Astronomy.
  1. 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.
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Origin of Tychonic system

1670–80; Tychon- (stem of Tycho (Brahe), Latinized form of Danish Tyge) + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018