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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 shows the global (from 65 degrees north latitude to 65 degrees south latitude) monthly average total ozone amount for the time period 1979 through the end of 2001. The green line shows the results from Nimbus-7 TOMS instrument. The red line shows the results from the Meteor-3 TOMS instrument. The blue line shows the results from the Earth Probe TOMS instrument, which developed a fault in 2002.  | 
        
        
         | Source | 
         
           
            http://toms.gsfc.nasa.gov/multi/ozone_time_series.jpg  | 
        
        
         | Date | 
         
           Friday, December 13, 2002 1:43:10 PM  | 
        
        
         | Author | 
         
           NASA  | 
        
        
         | Permission | 
         
           NASA material is not protected by copyright unless noted  | 
        
        
         | Other versions | 
         
           wikipedia:Image:Ozone time series.jpg, which will soon be marked for deletion | 
        
       
       
 Licensing
       
        
         
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         This file is in the  public domain because it was created by  NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". ( NASA copyright policy page or  JPL Image Use Policy). Warnings: 
           - Use of  NASA logos (which include the current "meatball" logo, the old "worm" logo, and the seal) is restricted.
 - The NASA website hosts a large number of images from the  Soviet/ Russian space agency, and other non-American space agencies. These are not in the public domain.
 - Materials from the  Hubble Space Telescope may be copyrighted if they do not explicitly come from the  STScI. 
 - All materials created by the  SOHO 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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      File links
      
       
The following pages on the English Wikipedia link to this file (pages on other projects are not listed):