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         This is a file from the  Wikimedia Commons. The description on its  description page there is shown below. | 
        
        
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 Summary
       
        
         | Description | 
         
           This image by the Hubble Space Telescope displays an asymmetrical shape of the red giant star Mira. This may be due to expansion-contraction cycles, or else unresolved surface features.  | 
        
        
         | Source | 
         
           
            HubbleSite STScI-1997-26  | 
        
        
         | Date | 
         
           August 6, 1997  | 
        
        
         | Author | 
         
           Margarita Karovska (Harvard-Smithsonian Centre for Astrophysics) and NASA  | 
        
        
         | Permission | 
         
           NASA image  | 
        
       
       
 External Links
       
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          Ceti images at ESA/Hubble
 
       
 Licensing
       
        
         
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         This file is in the  public domain because it was created by  NASA and the  European Space Agency. Hubble material is copyright-free and may be freely used as in the public domain without fee, on the condition that NASA and ESA is credited as the source of the material. The material was created for NASA by STScI under Contract NAS5-26555 and for ESA by the Hubble European Space Agency Information Centre.  or  . | 
         
          
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      File links
      
       
The following pages on the English Wikipedia link to this file (pages on other projects are not listed):