Start Date: End Date: Published Date Data Date
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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