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Tychonic system

American  
[tahy-kon-ik] / taɪˈkɒn ɪk /

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.

Etymology

Origin of Tychonic system

1670–80; Tychon- (stem of Tycho ( Brahe ), Latinized form of Danish Tyge ) + -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In Riccioli’s version of the Tychonic system Jupiter and Saturn orbit around the Earth, not the sun.

From "The Invention of Science" by David Wootton

Moreover, it was generally acknowledged that the Tychonic system was incompatible with belief in solid heavenly spheres.

From "The Invention of Science" by David Wootton

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.