UGears Mechanical Tellurion Wooden Mechanical DIY Model Kit

UGears Mechanical Tellurion Model Kit

Description:

• Condition: 100% Brand New
• Brand: UGears
• Color: As picture shown
• Level: Intermediate
• Number of components: 249
• Estimated time for assembly: 5 hours
• A tellurion is an ingenious mechanism that depicts the cosmic dance between Sun, Earth and Moon
• Turn the handle to set the closely calibrated system of gears in motion. One turn of the handle = one rotation of the earth on its axis = one day
• Point to a spot on Earth's surface, observe the spinning earth's position relative to the sun, and visualize sunrise and sunset, the passage of day into night
• The Tellurion shows the phases of the moon are a function of the moon's position relative to the sun and earth
• When rotating, the moon rises and falls slightly, thereby changing its trajectory
• The earth's orbit around the sun, together with a correct depiction of the 23.5 degree inclined orientation of the earth on its axis, shows why we experience changing seasons (outside the equatorial regions)
• The Tellurion charts the passage of the seasons, while also giving a handsome graphic representation of the zodiac, showing the sign and constellation under which you were born
• The Ugears Mechanical Tellurion can be manually adjusted or "tuned" to provide an accurate depiction of the relative positions of the sun, earth, and moon on any given day
• When "tuning" the mechanism, set the pointer to the middle of winter or summer on the seasons dial
  The earth, on its tilted axis, can be rotated (using a gear under the phases of the moon) to have either hemisphere be farthest from the sun in the bleak midwinter, or closest to the sun in summer