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Cabo San Lucas, Baja California Sur, Mexico
Published December 19, 2005
The built-up areas of Cabo (cape) San Lucas stand out as bright, angular areas inland from the main bay on the tip of the Baja California peninsula. Dry river beds descend from rugged, wooded hills to the coastline. River sands then accumulate to form the white beaches visible along the coastline adjacent to the city.
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Salar de Uyuni, Bolivia
Published December 12, 2005
The largest salar (salt flat) in the world, Salar de Uyuni, is located within the Altiplano of Bolivia in South America. This astronaut photograph features the northern end of the salar and the dormant volcano Mount Tunupa (image center). This mountain is high enough to support a summit glacier, and enough rain falls on the windward slopes to provide water for small communities along the base. The dark volcanic rocks comprising Mt. Tunupa are in sharp contrast with the white, mineral-crusted surface of the salar. The major minerals are halite (common table salt) and gypsum (a common component of drywall).
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Plankton Plume, North Island, New Zealand
Published December 5, 2005
Along the Pacific coast of New Zealand’s North Island, the advance of austral spring returns the sunlight needed to spur phytoplankton blooms. In the center of this slightly enhanced image captured on October 27, 2005, a plume extends from the coastline (near Castlepoint in the southern part of North Island) and rotates in an offshore eddy. Another broader swath of less-intensely colored plankton appears in the lower part of the picture. Both plankton masses are being swept offshore (eastward) by waters of the Antarctic Circumpolar Current.
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St. Petersburg and the Gulf of Finland
Published November 28, 2005
This strongly oblique (from the side) view shows the Gulf of Finland and Lake Ladoga in the late afternoon. At this time of day, sunglint—the reflection of sunlight into the camera lens—distinguishes the bodies of water from their surroundings. The image was taken from the International Space Station when the craft orbited north of the Caspian Sea, approximately 2,500 kilometers (1600 miles) to the southeast on the Russia-Kazakhstan border. Lakes in Finland in the middle of the view are 3,000 kilometers (1900 miles) from the camera.
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Algodones Dunefield, California
Published November 21, 2005
Fans of the Star Wars series of films may recognize the Algodones Dunefield—also known as the Imperial Dunes—as portions of the imaginary planet of Tatooine. While not planetary in scale, this dunefield located at the junction of three states (Arizona and California in the United States; Baja California del Norte in Mexico) is a distinctive feature of North America. The field is approximately 72 kilometers long by 10 kilometers wide (45 miles by 6 miles) and extends along a northwest-southeast line that correlates to the prevailing northerly and westerly wind directions. The dune field is a wilderness area, with the only human structure being the All American Canal that cuts across the southern portion from west to east (right side of view). A checkerboard pattern of farms in the Colorado River flood plain is visible on the Mexican side of the border (far right). Wisps of cloud obscure the Cargo Muchacho Mountains (top).
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Uralsk, Kazakhstan
Published November 14, 2005
The approximate boundary between Europe and Asia is defined by the Ural River and the Ural Mountains to its north. The Ural River flows to the great inland Caspian Sea and gives its name to the city of Uralsk on its banks. International Space Station astronauts acquired a series of images of Uralsk, highlighting the city under different lighting conditions. This view shows the sunglint (light reflected from the water surface towards the observer) on the rivers, lakes, and ponds of the Ural flood plain (right side of image) and that of a tributary, the Chogan River (bottom). The cityscape of Uralsk, on the headland between the two, is relatively difficult to see because the water and sunglint dominate the scene.
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Rosario, Argentina
Published November 7, 2005
The Paraná River, in the center of the view, has been the principal transportation artery of central South America since the times of early colonization. Consequently, the river gave rise to the growth of port cities such as Argentina’s second city, Rosario (bottom center), now a major industrial center (pop. > 1.1 million). Rosario is the center of a vibrant local agricultural economy—intensive agriculture is visible on the left margin of the view. As such, Rosario is one of the key cities in South America’s MERCOSUR common market (Argentina, Brazil, Paraguay, Uruguay). Other cities have expanded along the river bank, especially northward (for example, Capitan Bermudez, top left).
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Lake Nasser, Egypt
Published November 3, 2005
One of the world’s largest artificial lakes, Lake Nasser is named after the Egyptian President Gamal Abdul Nasser, who is largely responsible for the lake’s creation. President Nasser decided to build the Aswan High Dam across the Nile, forming a lake approximately 550 kilometers (340 miles) long.
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Navajo Mountain, Utah
Published October 31, 2005
The Colorado Plateau of Arizona, Colorado, New Mexico, and Utah is made of mostly flat-lying layers of sedimentary rock that record paleoclimate extremes ranging from oceans to widespread deserts over the last 1.8 billion years. Navajo Mountain in southeastern Utah is a dome-shaped chunk of igneous rock that intruded into the sedimentary layers and lifted up the overlying layer. Navajo Mountain is one of several of these rock formations, called laccolith by geologists, in southeastern Utah’s portion of the Plateau. This oblique (from-the-side) astronaut photograph highlights Navajo Mountain in the center of the image, surrounded by light red-brown Navajo Sandstone (also visible in the canyon at bottom of the image). The igneous rock at the core of the mountain is wrapped in sedimentary layers. The peak of Navajo Mountain, at approximately 3,148 meters (10,388 feet) elevation, is comprised of uplifted Dakota Sandstone deposited during the Cretaceous Period (approximately 66-138 million years ago).
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Fall Colors in the Wasatch Range, Utah
Published October 24, 2005
The Wasatch Range forms an impressive backdrop to the Salt Lake City metropolitan area, and it is a frequent destination for hikers, backpackers, and skiers. The range is considered to be the westernmost part of the Rocky Mountains, and rises to elevations of approximately 3,600 meters (12,000 feet) above sea level.
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Provincetown Spit, Cape Cod, Massachusetts
Published October 19, 2005
This astronaut photograph, taken from the International Space Station, shows the northernmost parts of the Cape Cod National Seashore, also known as Provincetown Spit.
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South Georgia Island
Published October 17, 2005
There is no permanent human base on South Georgia Island, a British territory in the South Atlantic Ocean that lies 1,300 kilometers east of the Falkland Islands. The crew of the International Space Station captured this image of the rugged and isolated landscape of the northern shore of the island. The first recorded explorer to land on the island was Captain James Cook aboard the HMS Resolution in 1775. He mapped part of the coastline, but was discouraged by the thick ice cover, lack of vegetation, and steep mountains. Mt. Paget, the highest peak, rises to 2,934 meters (9,625 feet) above sea level, and the island supports 161 glaciers. Cook named the southernmost point of the island “Cape Disappointment” when he realized he had not reached Antarctica.
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