Asked by polly
                 explain why earth has a moon
            
            
        Answers
                    Answered by
            Count Iblis
            
    http://arxiv.org/abs/astro-ph/0405372
    
                    Answered by
            drwls
            
    It was an accident. A very large asteroid is believed to have hit the earth billions of years ago and that the moon was released as a molten blob by the impact. Later it cooled down to a sphere, as the Earth did. 
See http://www.psi.edu/projects/moon/moon.html
for more details about the theory
    
See http://www.psi.edu/projects/moon/moon.html
for more details about the theory
                    Answered by
            polly
            
    thank you
    
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