Mars (Mars) is a planet from the sun is ranked 4 among all planets. Mars has a diameter of about 0.5 times that of the earth, Mars is the internal structure consists of a solid core radius, about 1 700 kilometers. Covered with a thick mantle magma, about 1600 kilometers and has a hard shell, as well as the world. Mars is red because the surface of iron oxide (rust) the surface of Mars is full of ravines, many large ravines, name. The abyss, Mari products (Valles.Length, 4000 kilometers wide 600 kilometers deep 8 kilometers. Also, Mars is the highest volcano in the solar system named the volcano Olympus (Mount Olympus) high 25 kilometers, the base that unfolds a radius 300 km
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