One night image of the state of São Paulo view of the International Space Station (ISS) was published this Sunday (16), by Don Petit, astronaut from NASA (United States Space Agency), through social media. According to him, the image is from an expedition carried out in 2003.
“São Paulo, Brazil, at night, showing a patchwork of mercury vapor VS sodium lighting visible from the International Space Station,” he wrote in a post on X (formerly Twitter). The ISS is a space laboratory used to study topics such as human physiology, radiation, engineering, biology, physics and aggregate knowledge for future space exploration missions.
In the published image, Don Petit describes the “type” of lighting across the state. Furthermore, the astronaut highlights the city of Santos.
“Older mercury vapor lighting is seen as blue-green in the older central part of the city, while yellow sodium vapor lighting appears in newer neighboring regions. The coastal region of Santos presents an abrupt lighting edge in the Atlantic Ocean.”
See the publication:
Sao Paulo, Brazil at night, showing a patchwork of mercury VS sodium vapor lighting visible from @Space_Station.
Older mercury vapor lighting is seen as blueish-green in the older, center part of town while yellow sodium vapor lighting appears in the newer surrounding regions.… pic.twitter.com/uDFDToP6iR
— Don Pettit (@astro_Pettit) June 16, 2024
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