The world (The Earth) is the only planet in the solar system that have unfavorable environment of living creatures. A world away from the Sun, is as large as 3 and 5th World with spherical morphology the average radius of 6371 km, there are key structures within the Earth's inner core, which consists of a steel. There are approximately 1200 kilometres radius wrapped outer core, liquid (Liquid) contains nickel and iron. There are about 2200 kilometers, next up is a solid metal man light texture which are flexible. (Plastic) consists of Iron, magnesium, silicon and other elements have a thickness of about 3000 km of the crust is solid (Solid) elements are mostly feldspar and khwot (silicon dioxide). The Earth's atmosphere consists of nitrogen, oxygen 21% 77% argon as the rest. Carbon dioxide and water. Carbon dioxide helps to retain heat, under the atmosphere of deflation by making the world warmer greenhouse. Not too cold for life. However, if the quantity of carbon dioxide increase, it will cause more global warming conditions which may result in the organism cannot survive. In addition, the world also has a magnetic field that are caused by the movement of the outer core, which is the liquid steel. Although the Earth's magnetic field, there will be no more intensity, but also help protect the not-so-high-energy particles from the Sun (Solar wind) travel past the surface world. By gas-magnetic particle travelling along, magnetic force and into the atmosphere only at the North Pole and the South Pole only. When high energy particles of the gas molecules in the clash with the atmosphere. Beautiful color light cause Observe the night sky. Called "light under the northern lights" (Aurora)
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