The Heliocentric and Geocentric Models

The following animation shows both the helicentric model and geocentric model with three objects: the Sun (yellow), Earth (blue) and Mars (red). Both models produce the same effect as viewed from the Earth.

For a clearer view of individual model for helicentric model and geocentric model, click on the corresponding model.

You can stop the planet motion by clicking on the image at any time, and then press the mouse again to activate it.