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           | Description | 
           special relativity -null spherical space | 
          
          
           | Date | 
           
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           | Source | 
            http://en.wikipedia.org/wiki/Image:Sr3.jpg | 
          
          
           | Author | 
            user:Kevin Baas | 
          
          
           Permission ( Reusing this file) | 
           
            
             
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              Permission is granted to copy, distribute and/or modify this document under the terms of the  GNU Free Documentation License, Version 1.2 or any later version published by the  Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled  GNU Free Documentation License.  http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue 
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
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