Editing Talk:1921: The Moon and the Great Wall
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: 732 feet long viewed from 5.5 feet away doesn't sound credible. And the "edge of space" is 100 kilometres up, not 100 miles. https://en.wikipedia.org/wiki/K%C3%A1rm%C3%A1n_line [[Special:Contributions/198.41.238.40|198.41.238.40]] 03:50, 29 November 2017 (UTC) | : 732 feet long viewed from 5.5 feet away doesn't sound credible. And the "edge of space" is 100 kilometres up, not 100 miles. https://en.wikipedia.org/wiki/K%C3%A1rm%C3%A1n_line [[Special:Contributions/198.41.238.40|198.41.238.40]] 03:50, 29 November 2017 (UTC) | ||
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: "The wall is a maximum 9.1 m (29 ft 10 in) wide ... The apparent width of the Great Wall from the Moon is the same as that of a human hair viewed from 3 km (2 mi) away." - Wikipedia. [[Special:Contributions/198.41.238.40|198.41.238.40]] 03:59, 29 November 2017 (UTC) | : "The wall is a maximum 9.1 m (29 ft 10 in) wide ... The apparent width of the Great Wall from the Moon is the same as that of a human hair viewed from 3 km (2 mi) away." - Wikipedia. [[Special:Contributions/198.41.238.40|198.41.238.40]] 03:59, 29 November 2017 (UTC) |