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        Summary 
        
         
          
           | Description | 
           
             English: A relatively rare blanket of ice rested on the surface of Lake Superior in early March 2009. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this image of the lake and its surroundings on March 3, 2009. In this true-color, photo-like image, ice floating on the surface of Lake Superior ranges in colour from white to pale gray-blue. The ice appears most solid along the southern shore of the western half of the lake. North of that solid band of ice, cracks reveal deep blue lake water. Dark lake water also appears in the eastern part of the lake, especially along its northern shore. As it does in the west, ice cover appears relatively unbroken at the extreme southeast end of the lake. 
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           | Date | 
           acquired March 3, 2009 | 
          
          
           | Source | 
            http://earthobservatory.nasa.gov/IOTD/view.php?id=37466 | 
          
          
           | Author | 
           NASA image courtesy MODIS Rapid Response Team, Goddard Space Flight Center. Caption by Michon Scott based on image interpretation by Walt Meier, National Snow and Ice Data Centre. | 
          
         
         
         Licensing 
        
         
          
           | Public domainPublic domainfalsefalse | 
          
         
         
          
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           This file is in the  public domain because it was solely created by  NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See  Template:PD-USGov,  NASA copyright policy page or  JPL Image Use Policy.) | 
           
            
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