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As a child, we often asked Grandpa and grandma, How high the sky, how thick the Earth, juvenile, "100,000 Why", "encyclopedia" is our introductory science. When we grow up, how high the sky, how thick the Earth is still not solved. This time, NOAA Science and Technology Department of the United States to design a map of the Earth to solve our childhood doubts ...
Earth, one of the eight planets in the solar system, is ranked third in the order of near from the sun. The Earth is the third planet in the solar system and is the first terrestrial planet in diameter, mass and density in the solar system. The equatorial radius of the earth is 6,378.137km, the mean equatorial radius is about 6371KM, the polar radius is 6,356.752km, and the equator circumference is 40075.7KM.
The Earth is also the only planet of human existence on the planet that is currently discovered.
This land/sea information map, respectively, from top to bottom of the Earth's overall view, from the highest peak to the Earth's deepest trench, specific reference to the following information map (thank Chiachi Edit)