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              Facts and knowledge about our solar system 
            
            
            
              
                
              
            
            
              
                 
The earth
Earth is the only planet in our solar system known to have liquid water on its surface.
 
Venus
Venus is the hottest planet in our so...
              
             
 
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              Neptune 
            
            
            
              
                
              
            
            
              
                 
 Atmosphere
 Neptune has an atmosphere consisting of hydrogen (80%), helium (19%) and traces of methane, which gives it its characteristic ...
              
             
 
 
 
    
    
    
    
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