Recent content by KMGC

Because, if you look at my last picture ("The Spherical Cases"), "LB" and "UB" are points on the sphere (usually defined as "angular distance from equator to point")--hence, they could also be described as a point on their respective "ring". Or, in the case of a spheroid, integrating by "ring"...

Right, exactly. But, just as the small circles parallel to the equator are known as latitudes, it would, likewise, seem that small circles parallel to a meridian have a special name--even if archaic. _ _ _ _ ~Kaimbridge~

http://math2.org/cgi-bin/mmb/server.pl?action=image&msgid=62326&fname=ringname.gif I know that polar concentric rings are known as "lines of latitude" or parallels, but what are equatorially concentric rings called?--e.g., the 90° equatorially concentric ring would be a line of longitude...