Copernican System

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  • Publisher:
    www.compadre.org
  • File Size: 1.08 MB
  • Date: Oct 31, 2010
  • License: Freeware
  • Category:
    Graphing Software
    Design
Copernican System Download
Free Download Copernican System

Analyze the Copernicus' system with this tool. Copernican System model illustrates Copernicus' system of planetary motions. The entire system is centered on the center of Earth's uniform, circular orbit. Sun is placed near, but not at, this center point. The orbit of each planet (other than Earth) consists of a deferent circle, centered on a point some distance from the center (at the eccentric point). Attached to this deferent is the center of a much smaller circle, the epicycle (or epicyclet).

The radius of the epicycle is 1/3 the eccentricity of the deferent. The planet moves along the epicycle at a constant angular speed equal to twice the angular speed along the deferent. This model produces retrograde motion and changes in brightness that are always properly correlated with the location of Sun. In this simulation, the planet is assumed to move in the plane of the ecliptic, so its latitude is always zero. You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item.

Requirements:
* Java

The license of this software is Freeware, you can free download and free use this graphing software.

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