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Jungfrau and Interlaken, Switzerland
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Published October 21, 2001
The Bernese Alps form the centerpiece of this late summer view of Switzerland; Jungfrau (4158 m), Moench (4089 m), and Eiger (3970 m) are among the higher peaks of the Central Alps. North of the range is the city of Interlaken, flanked by the Thune See and Brienzer See (lakes); the long, straight-segmented valley of the Rhone lies to the south.
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Biogenic Films at the Mouth of the Suez Canal
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Published September 23, 2001
Astronauts aboard the Space Shuttle Discovery used the sunglint off the surface of the Mediterranean Sea to reveal biogenic films on the ocean surface (“Biogenic film” refers to a thin layer of biologically-produced film resting on the surface.). The films dampen surface capillary waves, creating brighter and darker reflections, which, in turn, trace the complex surface water movements along the coast. The sunglint also highlights coastal features (jetties, submerged costal areas) near the Port of Suez.
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Urban Growth in Cairo 1965-98
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Published September 16, 2001
Astronaut photographs from the Gemini era and from the space shuttle reveal tremendous growth.
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African Dust Blows over the Caribbean
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Published September 9, 2001
Shuttle astronauts frequently track Saharan dust storms as they blow from north Africa across the Atlantic Ocean. Dust palls blowing from Africa take about a week to cross the Atlantic. Recently, researchers have linked Saharan dust to coral disease, allergic reactions in humans, and red tides. The top photograph, a classic image showing African dust over the Caribbean, was taken at a time when few scientists had considered the possibility. The image was taken by Space Shuttle astronauts on July 11, 1994. This photograph looks southwest over the northern edge of a large trans-Atlantic dust plume that blew off the Sahara desert in Africa. In this view, Caicos Island in the Bahamas and the mountainous spines of Haiti are partly obscured by the dust. Closer to the foreground, (about 26 degrees north latitude), the skies are clear.
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California Wildfires as Seen From the Space Shuttle
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Published September 2, 2001
An astronaut on the Space Shuttle photographed several wildfires burning in California in August 2001.
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