It has become a space-based myth. The Great Wall of China, frequently billed as the only man-made object visible from space, generally isn't, at least to the unaided eye in low Earth orbit. It certainly isn't visible from the Moon.
www.nasa.gov/vision/space/workinginspace/great_wall.htm... www.nasa.gov/vision/space/workinginspace/great_wall.html
The myth of being able to see the Great Wall from space originated in Richard Halliburton's 1938 (long before humans saw the earth from space) book Second Book of Marvels said that the Great Wall of China is the only man-made object visible...
http://geography.about.com/od/specificplacesofinterest/...
The answer to the geography question - Can you see the Great Wall of China from the moon or outer space? ... While at a low orbit, the Great Wall of China can be seen from space but it is not unique in that regard.
geography.about.com/library/faq/blqzgreatwall.htm geography.about.com/library/faq/blqzgreatwall.htm
Images of the Great Wall from space by NASA Radar.
www.jpl.nasa.gov/radar/sircxsar/gwall.html www.jpl.nasa.gov/radar/sircxsar/gwall.html
There is a longstanding myth that the Great Wall of China is the only manmade object visible from space. It and several variations on the theme are great fodder for water cooler arguments. In reality, many human constructs can be seen from Earth orbit. ... Sounds in Space: ... So what about the Great Wall of China?
www.space.com/scienceastronomy/visible_from_space_03100... www.space.com/scienceastronomy/visible_from_space_031006.html
This image doesn't debunk any myths, but it is a great view of the huge structure. ... Great Wall of China from Space ... Sure, spotting the Great Wall of China from space is easy with the right telescope and camera. But why couldn't China's new hero see it? He just didn't have enough time or the right conditions, it would seem.
www.space.com/imageoftheday/image_of_day_040512.html www.space.com/imageoftheday/image_of_day_040512.html
Great Wall of China from Space; (space.com); Updated: 2004-05-14 11:43 ... Sure, spotting the Great Wall of China from space is easy with the right telescope and camera. But why couldn't China's new hero see it? He just didn't have enough time or the right conditions, it would seem.
www.chinadaily.com.cn/english/doc/2004-05/14/content_33... www.chinadaily.com.cn/english/doc/2004-05/14/content_330829.htm
Sure, spotting the Great Wall of China from space is easy with the right telescope and camera. But why couldn't China's new hero see it? He just didn't have enough time or the right conditions, it would seem.
english.people.com.cn/200405/14/eng20040514_143277.html
The best you can see is the white and blue marble of our home planet. With all of the human construction, many buildings and other structures can be seen from space. But you can't see the Great Wall of China from space. Filed under: Astrono...
http://www.universetoday.com/guide-to-space/earth/can-y...
"The Earth looked very beautiful from space, but I did not see our Great Wall," Liwei told reporters after his return. China has cherished for decades the idea that the Wall was just about the only manmade object visible to astronauts from space, and the news disappointed many.
www.innovations-report.com/html/reports/earth_sciences/... www.innovations-report.com/html/reports/earth_sciences/report-29085.html