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    Re: Alternate Planets for Celestial Navigation
    From: Geoffrey Kolbe
    Date: 2008 Feb 21, 13:19 +0000

    At 11:23 21/02/2008, you wrote:
    >
    >
    >The Earth is nearly a sphere, but not quite. Celestial navigation, as
    >commonly practiced, has no issues with the fact that the Earth isn't quite
    >round. The flattening is only one part in about 300.
    >
    >But if the Earth were a cube, instead of a sphere?? Then celestial
    >navigation wouldn't work at all --on every face of this imaginary
    >cube-shaped planet, the altitudes of key stars would be constant. One could
    >not determine position on a "cubic planet" by measuring the stars.
    
    Celestial navigation may not work using a marine sextant, but I don't see
    why it would not work using a bubble sextant or theodolite.....?
    
    Geoffrey Kolbe
    
    
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