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 STS042-85-042 (thumbnail)
640x480 image
 
   Photo ID:

   STS042-85-042   


   Program:

   Shuttle   


   Mission:

   STS-042


   Date Taken:

   1992-01-30


   Film Type:

   70mm

Title:
STS-42 Earth observation of Lake Van in Turkey
Description:
STS-42 Earth observation taken aboard Discovery, Orbiter Vehicle (OV) 103, is of Lake Van in Turkey, near the Iranian border (38.5N, 43.0E). Lake Van sits in the middle of a large fault and volcanic zone, the details of which are barely known. Earthquakes, sometimes severe, are frequent in this area. The lake is surrounded by many volcanic cones, calderas and lava plains. Because the climate is semi-arid and the lake has no apparent outlet, scientists say, the lake is relatively alkaline. Lake Van sits at an elevation of 5,400 feet with surrounding mountains completely snow-covered, reaching elevations in excess of 13,000 feet. The city of Van on the eastern edge of the lake shows up well because of the wintertime reflectance contrast between urban development and the snowy countryside.
Subject Terms:
CALDERAS DISCOVERY (ORBITER) EARTH OBSERVATIONS (FROM SPACE) LAKES LAVA STS-42 TURKEY VOLCANOES
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