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            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
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           | Description | 
           
            English: Description: Illustration of an  en:impact event.
 Source Made by  Fredrik. Cloud texture from public domain NASA image. 
             
               
              
             
              
               
                | 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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                Warnings:
                  - Use of  NASA logos, insignia and emblems are restricted per US law  14 CFR 1221.
 
                  - The NASA website hosts a large number of images from the  Soviet/ Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
 
                  - Materials based on  Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the  STScI.  See also {{ PD-Hubble}} and {{ Cc-Hubble}}.
 
                  - The  SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use.  
 
                  - Images featured on the  Astronomy Picture of the Day (APOD) web site may be copyrighted.  
 
                  
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           | Date | 
           2004-05-18 (original upload date) | 
          
          
           | Source | 
           Transferred from  en.wikipedia; transfer was stated to be made by  User:Vojtech.dostal. | 
          
          
           | Author | 
           Original uploader was  Fredrik at  en.wikipedia | 
          
          
           Permission ( Reusing this file) | 
           
             PD-USGOV-NASA; PD-RETOUCHED-USER. 
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        Licensing 
        
         
          
           | Public domainPublic domainfalsefalse | 
          
         
         
          
             | 
           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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            | 
           Warnings:
             - Use of  NASA logos, insignia and emblems are restricted per US law  14 CFR 1221.
 
             - The NASA website hosts a large number of images from the  Soviet/ Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
 
             - Materials based on  Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the  STScI.  See also {{ PD-Hubble}} and {{ Cc-Hubble}}.
 
             - The  SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use.  
 
             - Images featured on the  Astronomy Picture of the Day (APOD) web site may be copyrighted.  
 
             
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          | Public domainPublic domainfalsefalse | 
         
        
        
         
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          This work is based on a work in the  public domain. It has been digitally enhanced and/or modified. This derivative work has been (or is hereby) released into the  public domain by its author,  Fredrik. This applies worldwide. 
           In some countries this may not be legally possible; if so:  Fredrik grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. 
            
           
            
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
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