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Gebel Edmonstone, Egypt
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Published November 1, 2004
Gebel (or Mount) Edmonstone is a flat-topped mesa located near the Dahkla Oasis south of Cairo, Egypt. The Oasis is a historically important meeting place of several trade routes connecting different regions of Egypt and Sudan. Gebel Edmonstone is a remnant of an eroding scarp that extends for over 200 kilometers (125 miles) east-southeast to west-northwest (visible in the upper left corner of the image). The flat caprock of both the scarp and Mount Edmonstone is chalky limestone underlain by fossil-bearing shale and fine-grained sedimentary rocks.
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Steam Plume, Mount St. Helens
Published October 25, 2004
Early in October 2004 Mt. St. Helens rumbled back to life with earthquakes, minor eruptions of steam and ash, and renewed growth of the summit lava dome. Fortuitous trajectories of the International Space Station provided the ISS crew excellent views of the area.
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Maipo Volcano, Chile
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Published October 18, 2004
The high peaks of the Andes form the backbone of South America and the political border between Chile and Argentina. Formed from the subduction of the Nazca Plate under the South American Plate, the south-central Andes also includes several major volcanoes. One of the most active border volcanoes is Volcan Maipo, located just southeast of Santiago, Chile. This image from the International Space Station shows the volcano near the southern hemisphere spring equinox. The lake, just east of Maipo’s peak, is still ice-covered. However, the increasing temperatures of spring are suggested by a muddy-looking streak near the lower left corner. The streak appears to be a landslide or avalanche that flowed westward down a rugged slope, possibly triggered by instability in the snowpack due to snow melt.
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Lake Teletskoye, Russia
Published October 11, 2004
Lake Teletskoye, one of Siberia’s prime tourist destinations, is a large lake that is nestled in a narrow valley between the snow-capped Al-tyntu (west, at top) and Korbu (east, at bottom) mountain ridges of the Altai Mountains. The lake is nearly 80 kilometers long by 5 kilometers wide and 325 meters deep; it is one of the deepest lakes in the world. But Lake Teletskoye is more than a large, deep lake. It is located within the 9,000 km² Altaisky Zapovednik nature reserve, which helps protect its unspoiled waters.
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Plankton Bloom in Lake Titicaca
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Published September 20, 2004
At an average elevation of 3,812 meters (12,507 feet), Lake Titicaca is one of the highest lakes in the world. The lake is positioned between two major ranges of the Andes Mountain chain and has very limited drainage. The limited outflow of the lake allows for the accumulation of nutrients derived primarily from surrounding communities’ agricultural and sewage waste. The increased nutrient levels can lead to plankton blooms. This astronaut photograph, taken from the International Space Station, captures two such blooms along the eastern shoreline of the lake.
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Hurricane Ivan
Published September 13, 2004
This photo of Hurricane Ivan was snapped as the International Space Station passed over the eye of the storm on Saturday, September 11, 2004, about 15 minutes after 23:00 GMT (7 p.m. EDT). At the time, Ivan was wobbling west off its predicted course, its eye just missing Jamaica. The storm was a powerful and dangerous Category 5 storm with sustained winds reaching to 270 kilometers per hour (165 mph) and higher gusts.
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Lake Maracaibo Duck Weed
Published September 6, 2004
Venezuela’s Lake Maracaibo presents a complicated surface to interpret. Oil platforms and other infrastructure supporting the oil industry generate oil slicks, heavy ship traffic produces linear ship wakes, and vivid green streaks and swirls are patches of duck weed growth that has thrived on the lake.
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Hurricane Frances
Published August 31, 2004
This image of Hurricane Frances was acquired by the crew of the International Space Station early on August 30 as the storm was moving westward some 265 miles east-northeast of the northern Windward Islands.
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Published August 30, 2004
This photo of Hurricane Frances was taken by Astronaut Mike Fincke aboard the International Space Station as he flew 230 statute miles above the storm at about 9 a.m. CDT Friday, Aug. 27, 2004.
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Yellow River Delta
Published August 23, 2004
The Yellow River Delta coastline along the Gulf of Bohai has always experienced dramatic changes, and those changes continue today. This mosaic of images taken by astronauts aboard the International Space Station shows several things. First, the image shows today’s configuration of the delta of China’s Yellow River, which is one of the most dynamic coastlines on Earth. Second, the scene allows mapping of land use along the coastal plain, including the boundaries of the Shengli Oil Field, China’s second largest oil field. But perhaps the most interesting aspect of this image is the large patch of green water off the northern coast of the delta—a presumed plankton bloom.
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Athens, Greece
Published August 16, 2004
Athens, Greece, enjoys both historical and current significance on the world stage. The ancient city of Athens, considered to be the birthplace of many Western traditions in philosophy, the arts, and the scientific method, is located in the Central Plains region of Attica in eastern Greece. This astronaut photograph captures the western extent of the modern urban area.
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Cabarete Bay, Dominican Republic
Published August 9, 2004
The Dominican Republic occupies the eastern two-thirds of the island of Hispaniola in the Caribbean Sea. The island has a variety of ecosystems ranging from arid plains to tropical rain forests created by three roughly parallel east-west mountain ranges. The northernmost of these ranges, the Cordillera Septentrional, is visible in this astronaut photograph as the dark green region north of the river. Clearcut regions within the Cordillera Septentrional are visible as irregular light green regions interspersed with dark green forested areas.
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