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Istanbul, Turkey: The Crossroads of Europe and Asia
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Published May 10, 2004
This metropolis of 15 million people occupies both sides of the entrance to the narrow, 20-mile long Bosporus Strait connecting the Mediterranean and Sea of Marmara (south) to the Black Sea (north). From its founding as Byzantium by the Greeks in 600 B.C., this strategically located city has been a focus of maritime trade and commerce as well as an outpost and threshold for cultural exchange and conflict between Europe and Asia. This digital camera image was taken by the crew of the International Space Station on April 16, 2004. When this image was taken, strong currents carried turbid coastal waters from the Black Sea through the Strait and into the Sea of Marmara.
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Mumbai, India
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Published May 3, 2004
With almost 23 million residents, Mumbai, India, is the second largest city in the world. Rapid population growth in Mumbai is evident in this image from the International Space Station that shows several regions of the city with active land reclamation activities on its coasts, bays and hinterlands.
Kyiv, Ukraine
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Published April 19, 2004
Kyiv is rich in the history of western civilization. It was a trade center on the Baltic-Black Sea route in the 11th and 12th centuries, and one of the major cities in the Christian world, until Mongol invaders destroyed the city in 1240. Some of the 11th-century cathedrals, which contain famous artifacts, remain standing and have been restored.
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Betsiboka Estuary, Madagascar
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Published April 12, 2004
The Betsiboka Estuary on the northwest coast of Madagascar is the mouth of Madagascar’s largest river and one of the world’s fast-changing coastlines. Nearly a century of extensive logging of Madagascar’s rainforests and coastal mangroves has resulted in nearly complete clearing of the land and fantastic rates of erosion. After every heavy rain, the bright red soils are washed from the hillsides into the streams and rivers to the coast. Astronauts describe their view of Madagascar as “bleeding into the ocean.” One impact of the extensive 20th century erosion is the filling and clogging of coastal waterways with sediment—a process that is well illustrated in the Betsiboka estuary. In fact, ocean-going ships were once able to travel up the Betsiboka estuary, but must now berth at the coast.
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“Hurricane” Catarina hits Brazil
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Published April 5, 2004
Until March 2004, only two tropical cyclones had ever been recorded in the South Atlantic Basin, and no hurricanes.
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On Top of the World: Everest and Makalu
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Published March 29, 2004
Astronauts on board the International Space Station (ISS) have a unique view of the world because of their position in a low orbit (200 nautical miles, 360 kilometers) relative to satellites and their ability to look at any angle out the windows of the spacecraft. ISS crewmembers recently took advantage of their vantage point to photograph a series of oblique views of the Himalayas looking south from over the Tibetan Plateau. At first glance, one might think that the image looks like a picture taken from an airplane, until you remember that the summits of Makalu (left, 8,462 meters, or 27,765 feet) and Everest (right, 8,850 meters, or 29,035 feet) are at the heights typically flown by commercial aircraft. The full mosaic covers over 130 kilometers (80 miles) of the Himalayan front, and could never be seen this way from an airplane.
Kinshasa and Brazzaville
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Published March 22, 2004
This image, taken from the International Space Station on June 6, 2003, shows two capital cities on opposite banks of the Congo River. The smaller city is Brazzaville on the north side of the river, and Kinshasa on the south side. The cities lie at the downstream end of an almost circular widening in the river known as Stanley Pool. The international boundary follows the south shore of the pool (roughly 30 kilometers in diameter).
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Iceberg Melt, Near South Georgia
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Published March 15, 2004
In January, 2004, astronauts on board the International Space Station took this detailed picture of melt water pooled on the surface of iceberg A-39D, a 2-kilometer wide, 11-kilometer long iceberg and drifting near South Georgia Island. The different intensities of blue are interpreted as different water depths. From the orientation of the iceberg, the deepest water (darkest blue) lies at the westernmost end of the iceberg. The water pools have formed from snowmelt—late January is the peak of summer in the Southern Hemisphere.
Central Africa Dust Storm
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Published March 12, 2004
This image was taken from the International Space Station on March 8, 2004, from a position about 1400 kilometers off the coast of Mauritania (about 600 kilometers west of the Cape Verde Islands). Looking northwest, this image shows the dusty Saharan airmass in the lower third of the view, with clear air beyond a marked northeast-trending boundary. The dust, which originated in Central Africa, is blowing west southwest, parallel to the front—a common trajectory during northern winters.
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