Hi Paul,   
      
   On 2015-07-28 22:12:24, you wrote to Roger Nelson:   
      
    RN>> Nevertheless, on rare occasions the Moon can turn blue.   
    RN>>   
    RN>> A truly-blue Moon usually requires a volcanic eruption. Back in 1883,   
    RN>> for   
      
    PH> Ill go for the blue moon but pass on the side order of volcanic eruption   
    PH> thanks :-)   
      
   A couple of big eruptions on a regular basis, could compensate for global   
   warming! ;)   
      
   Bye, Wilfred.   
      
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