THE EARTH
The study of the earth is inseparable from the man who inhabits it and transforms it into the upper echelon of evolution, the human species has bifurcated into different races and groups
The earth is the world inhabited by man. It is a planet, that is, a type of celestial body devoid of its own light and composed of solidified masses. It revolves around a star called the sun and, in turn, has a satellite called the moon
The earth is an almost spherical body, whose special shape is flattened by the poles and more sharpened in the north pole than in the south pole, has been called with the name "geoid" to indicate to indicate the most peculiar form of our planet
As already said, the earth is a constructive member of the solar family. As such it moves through space, making three simultaneous movements: a rotational turn on its own axis, a turn along its orbit around the sun and a movement, along with the rest of the solar system, towards the constellation of Hercules .