NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Mathematical Question
From: Paul Hirose
Date: 2002 Sep 19, 23:04 -0700
From: Paul Hirose
Date: 2002 Sep 19, 23:04 -0700
"A plane that cuts the sphere divides it into two spherical segments and its surface into two spherical caps, which are equal if the section is a great circle." (from "The VNR Concise Encyclopedia of Mathematics") The illustrations make it more clear: spherical segment = the solid body "chopped off" from the sphere spherical cap = the curved surface of that body