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Lightning over Equatorial Africa
Published January 21, 2001
The top of the large thunderstorm, roughly 20 km across, is illuminated by a full moon and frequent bursts of lightning.
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Aurora from the Space Shuttle
Published January 14, 2001
Astronauts aboard the STS-97 Space Shuttle mission in December photographed the northern lights after undocking from the International Space Station. TThe faint, thin greenish band stretching across and above the horizon is airglow; radiation emitted by the atmosphere from a layer about 30 km thick and about 100 km altitude.
Alexandria (Al Iskandariya), Egypt
Published December 31, 2000
This image of Alexandria was taken by astronauts on board the International Space Station in December 2000 using an Electronic Still Camera.
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Erosion by Ice and Water in the Southern Andes
Published December 24, 2000
This scene on the remote, rugged Argentine/Chilean border in the far southern Andes Mountains offers numerous, dramatic examples of both erosional processes and features of ice and water.
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Toshka Lakes, Southern Egypt
Published December 17, 2000
New lakes in southern Egypt have been monitored by astronauts since 1998. The flooding was first documented in early November 1998. Subsequently, three additional lakes were created by Lake Nasser overflow, as shown by the above photograph taken in December of 1999.
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Smog Layer Over Upstate New York
Published December 10, 2000
The STS-92 Space Shuttle astronauts photographed upstate New York at sunset on October 21, 2000. Water bodies (Lake Ontario, Lake Erie, the Finger Lakes, the St. Lawrence and Niagara Rivers) are highlighted by sunglint (sun reflecting off the water surface), making for a dramatic and unusual regional view.
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First Image of Earth from the International Space Station
Published December 3, 2000
Astronauts used the Electrical Still Camera (ESC) to photograph a mass of storm clouds during Expedition 1.
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Smoky Air over North Carolina and Virginia
Published November 18, 2000
This photograph taken from the Space Shuttle Discovery was taken at a slightly oblique look angle to better view air pollution and other atmospheric features. The photograph was taken with the Shuttle in a position over the Atlantic Ocean looking back toward the North Carolina and Virginia coast. On October 23, 2000, high pressure centered over the northeastern U.S. had created a capping inversion for aerosols. Forest fire smoke and industrial air pollution accumulated under the inversion. The inversion pattern is stronger inland, and the aerosols are being banked against the Piedmont. Relatively clear air is flowing from the ocean over the Carolina coastal plain. Small smoke plumes from individual fires can also be seen on the ground stretching from central Virginia to Raleigh, NC.
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