# Sphere

From Conservapedia

This is an old revision of this page, as edited by Stitch75 (Talk | contribs) at 11:55, 20 April 2009. It may differ significantly from current revision.

A **sphere** is the set of all points in three-dimensional euclidean space (**R**^{3}) which are at a fixed distance *r* (called radius) away from a point called the center.

A generalization of it is the set of points which in some vector space is, according to a specified norm, equidistant.