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| Three-deminsional Space Shuttle Image of the Alcedo Shield Volcano, Galapagos -- The near circular caldear of the Alcedo shield volcano on the big island of Isabela is a feature common to many of the Galapagos shield volcanoes. The image, taken by the Space Shuttle Endeavor, covers an area of about 75 km by 60 km. The oblique view was constructed by overlaying a Spaceborne Radar Image on a digital elevation map. The vertical scale is exaggerated by a factor of 1.87. Courtesy of JPL/NASA. |