TRUE

Scientific consensus and high-credibility reports indicate that the Great Wall of China is not visible to the naked eye from space 1 8. NASA clarifies that the structure is difficult or impossible to detect from orbit without the use of magnification or aid 2. Multiple sources label the idea of naked-eye visibility as a popular myth that has been disproved by various astronauts 6 9. The wall's narrow width and its tendency to blend into the natural contours and colours of the environment make it invisible from such distances 8. Although a few accounts suggest it may be glimpsed under specific conditions like low-angle sunlight casting long shadows 10, the weight of evidence from government and academic sources supports the claim that it cannot be seen without assistance 1 3 4.