Planet Earth

Planet Earth

Planet Earth is the third dimension of the planets from the sun, planets, the largest and most rock density, and harboring the only known life and welfare
Its internal structure, rock and mineral, is the structure of a typical rocky planet, the crust Evger unusual, as it consists of separate plates, each moving slowly relative to each other, and you get earthquakes and volcanic activity by the aligned boundaries of these plates collide, then
The Earth's atmosphere act as a protective cover, stop the harmful solar radiation and prevent the arrival of meteorites to the Earth's surface
, It retains the atmosphere of the amount of heat sufficient to prevent a remote degrees of cold
Water covers about 70 percent of the earth's surface, which do not form any liquid on the surface of another planet
Earth's natural child and one is the moon, which is so great that it could be considered Offenders, and of the planet, a binary system planets
Moon

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