Night Earth

Brasilia, Distrito Federal, Brazil

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Brasilia, Brasil seen from the ISS
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Brasilia is the federal capital of Brazil and is located in the Distrito Federal region of the country. The city was inaugurated in 1960 and was designed by the famous Brazilian architect Oscar Niemeyer, with urban planning by Lucio Costa. The city is known for its modernist architecture and urban design, which has earned it recognition as a UNESCO World Heritage site.

At night, Brasilia is a vibrant and bustling city, with a variety of landmarks and attractions illuminated by streetlights and other sources of artificial light. One of the most iconic landmarks in the city is the Brasilia Cathedral, which is illuminated by a series of spotlights that highlight the unique design of the building. Another popular destination at night is the Ponte JK, a bridge over Lake Paranoa that is lit up with colorful LED lights that change color throughout the evening.

Despite its many attractions, Brasilia suffers from significant light pollution, with the night sky obscured by a yellow-orange glow that is visible from miles away. The source of this light pollution is primarily from streetlights and other sources of artificial light, including illuminated advertising signs, floodlights on sports fields, and lights from residential and commercial buildings.

The amount of light pollution in Brasilia is estimated to be quite high, with the city ranked among the top ten most light-polluted cities in the world by the World Atlas of Artificial Night Sky Brightness. This ranking is based on the average amount of artificial light that is visible in the night sky over the city, as measured in units of milli-candelas per square meter (mcd/m²). The specific number for Brasilia is not available at the moment, but it is estimated to be around 80-100 mcd/m², which is higher than some of the most populated cities in the world, such as Tokyo or New York.

Despite efforts to reduce light pollution in Brasilia, the problem persists due to a variety of factors. One factor is the city's urban design, which features wide boulevards and large open spaces that require a significant amount of artificial light to illuminate at night. Another factor is the high population density in certain areas of the city, which leads to a greater demand for lighting in residential and commercial areas. Finally, the city's economic development has also contributed to the increase in light pollution, as new industries and businesses require a greater amount of lighting to operate at night.

In terms of population, Brasilia has around 3 million inhabitants, with a mix of people from different regions of Brazil and from around the world. The city is known for its multiculturalism and diverse population, with a variety of languages spoken and a range of different cultural traditions celebrated throughout the year. One common habit of the people living in Brasilia is a love of outdoor activities, with many residents taking advantage of the city's many parks and green spaces for jogging, cycling, and other outdoor pursuits.

Brasilia is a vibrant and modern city that offers a variety of attractions and landmarks for visitors and residents alike. However, it also suffers from significant light pollution, which is caused by a variety of factors including the city's urban design, population density, and economic development. Despite efforts to reduce light pollution, it remains a significant challenge for the city, and it is likely to require ongoing attention and investment in the years ahead.