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Happy Pluto Day!

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  • Mark Andrew Holmes
    On this day in 1930, Clyde Tombaugh discovered Pluto (Sol IX) at the Lowell Observatory near Flagstaff, Arizona. Notice that s *Sol IX.* Not whatever that
    Message 1 of 1 , Feb 18, 2010
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      On this day in 1930, Clyde Tombaugh discovered Pluto (Sol IX) at the Lowell Observatory near Flagstaff, Arizona.

      Notice that's *Sol IX.* Not whatever that asteroid number is.


      Mark A. Holmes
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