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Time of Visit : 5Minute
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Audio Guide

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Audio Guide
Audio Guide:
The waxing and waning of the moon are resulted from the change of the relative position between the moon and the Sun. For instance, the “new moon” is the phase on the first day of the lunar calendar. That is when the moon comes between the Earth and the Sun. When this happens, one can only see the side of the moon that is not in sunlight. On the other hand, around the sixteenth day of the lunar calendar, it is the “full moon.” That is when the Earth comes between the moon and the Sun, and one sees the full moon as the moon is facing the Sun. If the moon’s position is perpendicular to the Sun, we will see a half-round moon. When it happens on the eighth day of the lunar calendar, it is called “the first quarter of the moon”; and when it takes place on the twenty-second day of the lunar calendar, it is called “the moon of the last quarter.”
With the dynamic lunar phase model, you can see the relative position between the moon, Sun and Earth, and learn about how the moon's various appearances are formed, such as the new moon, the full moon, and the first quarter and last quarter of the moon.

Exhibit Introduction:
The visitors can walk into the center of the exhibit, raised their heads to observe the changes of lunar phases displayed by the large mechanical structure. It takes the moon a month to complete a rotation. Lunar phases such as the new moon, the full moon, the first quarter moon and the last quarter moon are displayed during the rotation of the moon model, which represents a month for each rotation.

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