The Great Wall of China :
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| The Great Wall of China |
The Great Wall of China is visible to from outer space. It is too thin to be noticed from such a great distance. There are no man made structures that are visible from space or moon. Man made objects start to disapear after 300 miles up. From that distance you can barely see the outline of the Great China Wall. If we consider that distance from Earth to Moon is around 384,403Km/238,857miles then we can draw reasonable conclusion that it would be impossible to see any man-made structures from such a distance.
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| The Great Wall |
Astronaut Alan Bean said: "The only thing you can see from the moon is a beautiful sohere, mostly white {clouds}, some Blue {Oceans}, patches of yellow {deserts}, and every once in a while some green vegetation. Non-made object is visible on this scale. In facts, when first leaving earth's orbit and only a few thousands miles away, no man-made object is visible at that point either".
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| China Wall |
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