Located on the shores of Lake Superior (regional view), the metropolitan area of Thunder Bay is one of the largest in the Province of Ontario. It is also the major port providing access to the Great Lakes for central Canada’s grain products. The city of Thunder Bay is relatively new; it was incorporated in 1970 by combining the cities of Fort William (shown in this astronaut photograph) and Port Arthur with the townships of Neebing and McIntyre. While the spread of separate municipalities into a larger contiguous metropolitan area is common (urban geographers call the process agglomeration), it is less common for distinct cities to merge into a new political entity.
This detailed astronaut photograph is centered on the older city of Fort William, in the southern portion of Thunder Bay. Winter snows outline the street grid of the city, while parks appear as roughly rectangular areas of unbroken white snow. Built materials (buildings, streets) appear light gray, while vegetated areas and the rock outcrop near Mount McKay are dark green to dark gray. The Kam River to the south of Fort William is ice-covered, and has an even covering of snow that traces the river channel.
Astronaut photograph ISS018-E-11174 was acquired on December 6, 2008, with a Nikon D2Xs digital camera fitted with an 800 mm lens, and is provided by the ISS Crew Earth Observations experiment and the Image Science & Analysis Laboratory, Johnson Space Center. The image was taken by the Expedition 18 crew. The image in this article has been cropped and enhanced to improve contrast. Lens artifacts have been removed. The International Space Station Program supports the laboratory to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photography of Earth. Caption William L. Stefanov, NASA-JSC.
In this astronaut photograph, winter snows outline the street grid of the Fort William part of Thunder Bay, while suburban parks appear as roughly rectangular areas of unbroken white snow.
The port city of Bahía Blanca lies almost 600 kilometers southwest of Buenos Aires on the southern rim of the Argentine economic heartland. This small city of 275,000 people is located near the mouth of the Arroyo Naposta.
Originally known simply as “Amboy,” “Perth” was added to the name in honor of the Earl of Perth when the city became the capital of East Jersey in 1686. Together with South Amboy across the Raritan River, both cities are collectively known today as “the Amboys.” Perth Amboy is currently undergoing urban renewal and redevelopment to resume its former status as a resort destination.
Reflective roofing materials and dark asphalt streets outline the urban grid pattern of Uruguay’s capital city, Montevideo, in this astronaut photograph. The city may be viewed as a precursor of a global population shift from dominantly rural to urban environments, a shift the United Nations estimates will occur by 2030. Nearly half of Uruguay’s total population now lives in the Montevideo metropolitan area. Located on the southern coastline of Uruguay along the Rio de la Plata, Montevideo Bay provides an important harbor and port facilities for transport of South American agricultural products.