The Ptolemy Universe shows the solar system planets in three views :
1) the copernicus view with the sun at the center
2) the ptolemy view with the earth at the center
3) the ecliptic view, ie planets seen from earth
4) the epicycloid of each planet. swipe for next
Using the touch screen see the planets moving.
Use Start button to anime the solar system, and the slider to adjust the time speed.
On screen 3, a long press on stars or planets gives their name.
Tags: anime ptolema ita , ptolemy universe , ptolemy earth is the center of the universe , ptolemy solar system , 3d model ptolemy solar system , solar system universe , epicycloid planets
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