Kartonbausatz Kopernikus Planetarium

• Contents: punched cardboard kit made of gold-printed offset cardboard, reinforcements made of solid grey cardboard, wooden axles, magnets, drive belts, planetary balls, plastic bearings, LED light ball
• This Copernicus planetarium is the world's first mechanical planetary model as a cardboard kit.
• It shows the movements of the inner planets Mercury and Venus, as well as the moon and Earth, rotating around their oblique and always aligned axis.
• A crank rotation on gears made of rubber belts and grooved wheels corresponds to the expiration of a week and produces six different, simultaneous movements that are in the approximation of the actual rotation times. Many heavenly processes can be explained from the Copernican (heliocentric) point of view, e.g. the wandering of the sun through the zodiac or the conjunctions of Mercury and Venus among each other and with the sun.

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