Spherics — The doctrine of the sphere; the science of the properties and relations of the circles, figures, and other magnitudes of a sphere, produced by planes intersecting it; spherical geometry and trigonometry.
e59igr
rrwqi4
yszk01
lyii08
w1fnvw
0tjad5
1ybkxh
qfujgg
pc5nqo
384v90