  | 
          
            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. 
           | 
         
        
        
       
        
         
          
           | Description | 
           English: Sea Level Rise as measured by the TOPEX/Poseidon and Jason-1 satellites Source:  http://earthobservatory.nasa.gov/IOTD/view.php?id=6638 | 
          
          
           | Date | 
           30 September 2007 (original upload date) | 
          
          
           | Source | 
           Transferred from  en.wikipedia; transferred to Commons by  User:Teratornis using  CommonsHelper. | 
          
          
           | Author | 
           Original uploader was  Sagredo at  en.wikipedia | 
          
          
           Permission ( Reusing this file) | 
           
             PD-USGOV-NASA. 
            | 
          
         
         
         Licensing 
        
         
            | 
          This image was  uploaded in the  JPEG format even though it consists of non-photographic data. This information could be stored more efficiently or accurately in the  PNG format or  SVG format. If possible, please upload a PNG or SVG version of this image without  compression artifacts, derived from a non-JPEG source (or with existing artifacts  removed). After doing so, please tag the JPEG version with {{ Superseded|NewImage.ext}}, and remove this tag. This tag should not be applied to photographs or scans. For more information, see {{ BadJPEG}}. | 
         
         
          | 
           | 
         
        
        
         
          
           | 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.) | 
           
            
            | 
          
         
         
          
           | 
            
            | 
           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.  
 
             
            | 
          
         
         
        
       
      Schools Wikipedia was created by children's charity SOS Children. SOS Children's Villages cares for children who have lost their parents. Our Children's Villages give these children a new home and a new family, while a high-quality education and the best of medical care ensures they will grow up with all they need to succeed in adult life. Why not try to learn more about child sponsorship?