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Ptolemy/Copernicus/Tycho Model Documents
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The Ptolemy/Copernicus/Tycho EJS Model illustrates the relationships between the systems of planetary astronomy developed by Claudius Ptolemy, Nicholas Copernicus, and Tycho Brahe. The model presents a simplified version of all three systems, showing the motions of the Sun/Earth and two planets (one inferior, one superior). The model is initially set to model the planets Venus and Mars. In addition, the apparent motion of the sun and two planets across the sky is displayed in another window.
Last Modified June 11, 2014
This file is included in the full-text index.
This zip archive contains LaTeX and PDF versions of a handout for an activity that allows students to explore the Ptolemy Copernicus Tycho Model. The activity focuses on the general geometrical equivalence of the three models, as well as the specific connections between the different models.
Published January 4, 2013
Source Code Documents
The source code zip archive contains an XML representation of the EJS Ptolemy/Copernicus/Tycho Model. Unzip this archive in your EJS workspace to compile and run this model using EJS.
Released under a This material is released under the GNU General Public License Version 3.
Published May 12, 2011
This file has previous versions.
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