酷我-北美枫

[星子]

[[ANNA]]

[Champagne]

Hi! 星子:

I think you need to re-think this so-called scientific fact about the Great Wall of China, the only man-made object visible from space, and the historic foundation on which the Great wall was built. Throughout the unofficial literary tradition of Chinese poetry writing, one can easily find that there are many a heart-breaking and soul-wrenching poems on the unbearable heaviness of the "great achievement" of the Great wall. That is why, I think, ericcoliu was “disquieted by the cognitive mapping of The Great Wall of China revealed in The Great Wall, especially by that of the second stanza, which is deeply rooted in the official, propagandized history” anout The Great Wall.


Below are two excerpts regading the visibility of The Great Wall of China from space, one from the NASA webpage entitled
China's Wall Less Great in View from Space, accessed at http://72.14.205.104/search?q=cache:8JFSaalsaG0J:www.nasa.gov/vision/space/workinginspace/great_wall.html+great+wall+of+china+from+space&hl=en&ct=clnk&cd=6&gl=ca

"China's Wall Less Great in View from Space 05.09.05

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.

You can, though, see a lot of other results of human activity.

The visible wall theory was shaken after China's own astronaut, Yang Liwei, said he couldn’t see the historic structure. There was even talk about rewriting textbooks that espouse the theory, a formidable task in the Earth’s most populous nation. "

Another one is from the Wikipedia entry entitled Great Wall of China, accessed at http://en.wikipedia.org/wiki/The_great_wall:

"Visibility from the moon

The Great Wall of China as seen in a false-color radar image from the Space Shuttle, taken in April 1994Ripley's Believe It or Not! cartoon from May 1932 explains the fact that the wall is "the mightiest work of man, the only one that would be visible to the human eye from the moon" and Richard Halliburton's 1938 book Second Book of Marvels makes a similar claim. This belief has persisted, assuming urban legend status, sometimes even entering school textbooks. Arthur Waldron, author of history of the Great Wall, has speculated that the belief might go back to the fascination with the "canals" once believed to exist on Mars. (The logic was simple: If people on Earth can see the Martians' canals, the Martians might be able to see the Great Wall.)

The Great Wall is a maximum 30 ft (9.1m) wide and is about the same color as the soil surrounding it. Based on the optics of resolving power (distance versus the width of the iris: a few millimetres for the human eye, metres for large telescopes) an object of reasonable contrast to its surroundings some four thousand miles in diameter (such as the Australian land mass) would be visible to the unaided eye from the moon (average distance from earth 238,857 miles (384,393 km)). But the Great Wall is of course not a disc but more like a thread, and a thread a foot (30cm) long would not be visible from a hundred yards (90 m) away, even though a human head is. Not surprisingly, no lunar astronaut has ever claimed he could see the Great Wall from the moon.


Visibility from near earth orbit
A different question is whether it is visible from near-Earth orbit, i.e at an altitude of less than 500 kilometers (311 mi) (0.1% of the distance of the moon). The consensus here is that it is barely visible, and only under nearly perfect conditions; it is no more conspicuous than many other manmade objects.

Astronaut William Pogue thought he had seen it from Skylab but discovered he was actually looking at the Grand Canal of China near Beijing. He spotted the Great Wall with binoculars, but said that "it wasn't visible to the unaided eye." US Senator Jake Garn claimed to be able to see the Great Wall with the naked eye from a space shuttle orbit in the early 1980s, but his claim has been disputed by several US astronauts. Chinese astronaut Yang Liwei said he could not see it at all.

Veteran US astronaut Gene Cernan has stated: "At Earth orbit of 160 kilometers (99 mi) to 320 kilometers (199 mi) high, the Great Wall of China is, indeed, visible to the naked eye." Ed Lu, Expedition 7 Science Officer aboard the International Space Station, adds that, "it's less visible than a lot of other objects. And you have to know where to look."


SeaNeil Armstrong stated about the view from Apollo 11: "I do not believe that, at least with my eyes, there would be any man-made object that I could see. I have not yet found somebody who has told me they've seen the Wall of China from Earth orbit. ... I've asked various people, particularly Shuttle guys, that have been many orbits around China in the daytime, and the ones I've talked to didn't see it." [6]

Leroy Chiao, a Chinese-American astronaut, took a photograph from the International Space Station that shows the wall. It was so indistinct that the photographer was not certain he had actually captured it. Based on the photograph, the China Daily later reported that the Great Wall can be seen from space with the naked eye, under favorable viewing conditions, if one knows exactly where to look.[7]"
_________________
I'm Champagne,
Bottled poetry with sparkling joy.

[[Champagne]]

Hi! 星子:

I think you need to re-think this so-called scientific fact about the Great Wall of China, the only man-made object visible from space, and the historic foundation on which the Great wall was built. Throughout the unofficial literary tradition of Chinese poetry writing, one can easily find that there are many a heart-breaking and soul-wrenching poems on the unbearable heaviness of the "great achievement" of the Great wall. That is why, I think, ericcoliu was “disquieted by the cognitive mapping of The Great Wall of China revealed in The Great Wall, especially by that of the second stanza, which is deeply rooted in the official, propagandized history” anout The Great Wall.


Below are two excerpts regading the visibility of The Great Wall of China from space, one from the NASA webpage entitled
China's Wall Less Great in View from Space, accessed at http://72.14.205.104/search?q=cache:8JFSaalsaG0J:www.nasa.gov/vision/space/workinginspace/great_wall.html+great+wall+of+china+from+space&hl=en&ct=clnk&cd=6&gl=ca

"China's Wall Less Great in View from Space 05.09.05

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.

You can, though, see a lot of other results of human activity.

The visible wall theory was shaken after China's own astronaut, Yang Liwei, said he couldn’t see the historic structure. There was even talk about rewriting textbooks that espouse the theory, a formidable task in the Earth’s most populous nation. "

Another one is from the Wikipedia entry entitled Great Wall of China, accessed at http://en.wikipedia.org/wiki/The_great_wall:

"Visibility from the moon

The Great Wall of China as seen in a false-color radar image from the Space Shuttle, taken in April 1994Ripley's Believe It or Not! cartoon from May 1932 explains the fact that the wall is "the mightiest work of man, the only one that would be visible to the human eye from the moon" and Richard Halliburton's 1938 book Second Book of Marvels makes a similar claim. This belief has persisted, assuming urban legend status, sometimes even entering school textbooks. Arthur Waldron, author of history of the Great Wall, has speculated that the belief might go back to the fascination with the "canals" once believed to exist on Mars. (The logic was simple: If people on Earth can see the Martians' canals, the Martians might be able to see the Great Wall.)

The Great Wall is a maximum 30 ft (9.1m) wide and is about the same color as the soil surrounding it. Based on the optics of resolving power (distance versus the width of the iris: a few millimetres for the human eye, metres for large telescopes) an object of reasonable contrast to its surroundings some four thousand miles in diameter (such as the Australian land mass) would be visible to the unaided eye from the moon (average distance from earth 238,857 miles (384,393 km)). But the Great Wall is of course not a disc but more like a thread, and a thread a foot (30cm) long would not be visible from a hundred yards (90 m) away, even though a human head is. Not surprisingly, no lunar astronaut has ever claimed he could see the Great Wall from the moon.


Visibility from near earth orbit
A different question is whether it is visible from near-Earth orbit, i.e at an altitude of less than 500 kilometers (311 mi) (0.1% of the distance of the moon). The consensus here is that it is barely visible, and only under nearly perfect conditions; it is no more conspicuous than many other manmade objects.

Astronaut William Pogue thought he had seen it from Skylab but discovered he was actually looking at the Grand Canal of China near Beijing. He spotted the Great Wall with binoculars, but said that "it wasn't visible to the unaided eye." US Senator Jake Garn claimed to be able to see the Great Wall with the naked eye from a space shuttle orbit in the early 1980s, but his claim has been disputed by several US astronauts. Chinese astronaut Yang Liwei said he could not see it at all.

Veteran US astronaut Gene Cernan has stated: "At Earth orbit of 160 kilometers (99 mi) to 320 kilometers (199 mi) high, the Great Wall of China is, indeed, visible to the naked eye." Ed Lu, Expedition 7 Science Officer aboard the International Space Station, adds that, "it's less visible than a lot of other objects. And you have to know where to look."


SeaNeil Armstrong stated about the view from Apollo 11: "I do not believe that, at least with my eyes, there would be any man-made object that I could see. I have not yet found somebody who has told me they've seen the Wall of China from Earth orbit. ... I've asked various people, particularly Shuttle guys, that have been many orbits around China in the daytime, and the ones I've talked to didn't see it." [6]

Leroy Chiao, a Chinese-American astronaut, took a photograph from the International Space Station that shows the wall. It was so indistinct that the photographer was not certain he had actually captured it. Based on the photograph, the China Daily later reported that the Great Wall can be seen from space with the naked eye, under favorable viewing conditions, if one knows exactly where to look.[7]"
_________________
I'm Champagne,
Bottled poetry with sparkling joy.

[anna]

Hi Champagne,

Glad to have your very detailed information.

Guess a lot of us have wrong fact. Then I would like to keep it as a poetic imagination.
_________________
---------------------

Anna Yin

《爱的灯塔-星子安娜双语诗选》
<Nightlights> <Seven Nights with the Chinese Zodiac> ...

http://annapoetry.com

[[星子安娜]]

Hi Champagne,

Glad to have your very detailed information.

Guess a lot of us have wrong fact. Then I would like to keep it as a poetic imagination.
_________________
---------------------

Anna Yin

《爱的灯塔-星子安娜双语诗选》
<Nightlights> <Seven Nights with the Chinese Zodiac> ...

http://annapoetry.com

[Champagne]

I've revised and expanded my piece, especially the second stanza.
_________________
I'm Champagne,
Bottled poetry with sparkling joy.

[[Champagne]]

I've revised and expanded my piece, especially the second stanza.
_________________
I'm Champagne,
Bottled poetry with sparkling joy.

[ericcoliu]

[[ericcoliu]]

[Champagne]

Don't forget that now, you're a co-author.

Thanks for your reminder:

PST:Provincial sales tax in Canada

GST: Goods and Services Tax in Canada
_________________
I'm Champagne,
Bottled poetry with sparkling joy.

[[Champagne]]

Don't forget that now, you're a co-author.

Thanks for your reminder:

PST:Provincial sales tax in Canada

GST: Goods and Services Tax in Canada
_________________
I'm Champagne,
Bottled poetry with sparkling joy.

[Champagne]

[[Champagne]]