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SlideShow Image 789 / 2739

Houston at Night

auteur: Nasa/Novapix

référence: t-natex-00001

Image Size 300 DPI: 12 * 9 cm

The image depicts the roughly 100-kilometer (60-mile) east-west extent of the Houston metropolitan area seen by night. Houston proper is at image center, indicated by a “bull’s-eye†of elliptical white- to orange-lighted beltways and brightly lit white freeways radiating outwards from the central downtown area. Suburban and primarily residential urban areas are indicated by both reddish-brown and gray-green lighted regions, which indicate a higher proportion of tree cover and lower light density. Petroleum refineries along the Houston Ship Channel are identified by densely lit areas of golden yellow light. Rural and undeveloped land rings the metropolitan area, and Galveston Bay to the southeast (image lower right) provides access to the Gulf of Mexico. Both types of non-urban surface appear dark in the image. Image taken from the International Space Station (ISS) on february 28, 2010.

Keywords for this photo:

2010 - CITY - EARTH - EARTH FROM SPACE - EXPEDITION 22 - HOUSTON - LIGHT - LIGHT POLLUTION - NIGHT - TEXAS - USA -