By John Ensor •
Published: 07 Dec 2023 • 16:35
Image of the Earth.
FOR years the public accepted that viewed from space, the Earth’s most visible human structure was the Great Wall of China, but there is a new challenger from Spain.
Could the Great Wall of China’s visibility from space be just a myth? Contrary to popular belief, it is Spain’s ‘Sea of Plastic’ in Almeria that stands as the most discernible human construction when viewed from the cosmos, according to 20 Minutos.
In a statement, former Spanish astronaut Pedro Duque confirmed that the ‘Sea of Plastic’, not the Great Wall, is the most visible structure from space. This revelation was made during his space missions, contrasting with the long-held notion that China’s Great Wall holds this unique distinction.
The Great Wall of China stretches over 6,000 km, with its original length estimated at 8,851.8 km. However, its maximum width of seven meters renders it nearly invisible from space. Its construction materials blend seamlessly with the surrounding landscape, further obscuring it from view.
Conversely, the ‘Sea of Plastic‘ in southern Almeria is a vast expanse of greenhouse fields. Covering tens of thousands of hectares, these fields are sheathed in plastic for agricultural production. The plastic’s high reflectivity and the area’s vast size make it distinctly visible from space, as noted by Pedro Duque.
Several other man-made structures are also visible from space, though to a lesser extent than Spain’s ‘Sea of Plastic’.
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Originally from Doncaster, Yorkshire, John now lives in Galicia, Northern Spain with his wife Nina.
He is passionate about news, music, cycling and animals.
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