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Cubic Earth

# What is the meaning of the cubic Earth?

This film presents a world supposed to be realized if the shape of the Earth would be cubic. You will find that a drastic change of environment is introduced under this assumption. Recognizing this change, you will get a better understanding on the real Earth environment, i.e., you will find that the real Earth environment is designed incredibly favorable for living beings including us.

## The cubic Earth investigated in this project

The cubic Earth is a product of imagination. Therefore, we need to apply various parameters for the cubic Earth before investigating characteristics of the environment. The parameters we have selected are as follows:

1. The length of a side of the cube is 10,000km. is basically the same with that of the real Earth.
cf. It is quite doubtful that the cubic planet can exist in the space, keeping the shape stably. It would be quite possible for a cubic planet to collapse by its . We assume that the shape of the cube is maintained in our planet by an unknown reason.

2. The distance between the sun and the cubic Earth is same with that in the real solar system(150,000,000km). is 365days and is 24hours (exactly speaking, 23hours 56minutes). The axis makes an angle of 23.4degrees from the normal of the orbital plane.

3. The rotating axis of the Earth is a line connecting between the center of the cube and a center of a surface (square). We call the side with the rotating axis "polar plane" and the side without the rotating axis "side plane" (cf. the figure).

4. The amount of the atmosphere which covers the cubic Earth is the same with that of the real Earth. Six sides of the cube share the same amount of the atmosphere. on the cubic Earth is same with that of the real Earth.

5. The amount of the oceanic water of the cubic Earth is the same with that of the real Earth. The ocean appears to only one side plane.

We have investigated what kind of the atmosphere-ocean system occurs on the cubic Earth under the above assumptions based on physical rules. However, the film contains a few elements which are not based on the physical rules because of the technical reasons.

In the following we explain scientific characteristics for the air temperature, atmospheric pressure and so on, on the cubic Earth.

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