NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Douglas Denny
Date: 2010 Sep 2, 05:44 -0700
I think I need to think again:
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**Correction**:
brain not in gear again!)
A solid angle is subtended from a spherical triangle to the centre. (from three points on the surface).
A spherical angle from a vertex of the triangle. (from two points on the surface).
Douglas Denny.
Chicester. England.
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Original Post:
George,
I think you have to think again.
A spherical angle is the angle between TWO lines subtended from the centre of a sphere - NOT three line subtended from the centre: which then constitutes a solid angle.
A solid angle is subtended from the vertex of a spherical triangle to the centre.
Douglas Denny.
Chichester. England.
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