The formation of the Earth

The formation of the Earth

Experts estimate the Earth formed about 4.6 miliah years ago. It is known from rocks in the earth's surface.

There are several theories about the formation of Earth. One of them mentioned that the Earth formed from gas and dustfractions derived from the sun. After cooling the liquid fraction is aball of heat, which eventually became solid. Other experts arguethat the Earth formed from star diratik by the pull of the sun.

Protector of Earth

Earth is surrounded by a layer of the atmosphere. This layerthickness of about 1,600 kilometers. Often called a protectiveatmosphere of the earth because this layer protects the earthfrom of the sun ultraviolet radiation. In addition, the atmosphere protectsthe Earth from extreme temperatures, both hot in the daytime, andcool at night.

Interesting facts

Although formed seerti ball, perimeter poles of the earth is shorter than the equator. Line of the earth's poles 40008.16kilometers, while the equator is 40075.16 miles.

The Traditional View

Seblum knowledge develops, people around the world have their own views and thoughts about the earth. For example the ancientGreeks believed that the natural deewa dwelt on Mount Olympusis located 24 kilometers from Athens.