NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Impossible lunar example
From: Douglas Denny
Date: 2010 Sep 2, 05:55 -0700
From: Douglas Denny
Date: 2010 Sep 2, 05:55 -0700
Final version:
A spherical angle is the angle between TWO lines subtended from the centre of a sphere - NOT three lines subtended from the centre: which then constitutes a solid angle.
i.e. A solid angle is subtended from the vertex of a spherical triangle AT the centre or surface vertices.
Douglas Denny.
Chichester. England.
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