It took over nine days in April 2012 and thirteen days in October 2012, during 312 orbits at 824 kilometers (512 miles) to capture the whole Earth.
Two versions of the images are available: It presents a captivating view of Earth's light pollution and serves as a reminder of the complex relationship between human activity, population distribution, and the natural environment. In addition to its informational value, the Night Earth map is aesthetically pleasing, allowing us to appreciate the planet's beauty from a unique perspective. Similarly, the interior jungles of Africa and South America, deserts in various parts of the world, and the remote boreal forests of Canada and Russia all exhibit limited illumination, reflecting the challenges faced by people in these regions when it comes to accessing electricity and infrastructure. Antarctica emerges as a completely dark expanse, reminding us of its isolation and otherworldly beauty.
Moreover, the Night Earth map uncovers the vast expanses of our planet that remain thinly populated and unlit. The map visually portrays this phenomenon, offering insights into the patterns of human settlement and development. While certain regions may appear to be the brightest, they may not necessarily be the most heavily populated. One of the map's notable features is its ability to highlight the differences between brightness and population density.
It showcases the stark contrasts in urbanization and population density around the world, demonstrating how cities tend to concentrate along coastlines and transportation networks. By providing a visual representation of the Earth's surface at night, the map reveals the areas that are brightly lit and urbanized, as well as those that remain unlit and remote. The Night Earth map is a fascinating tool that allows us to explore and understand the impact of light pollution on our planet.
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