Unit Sphere
See also
Sphere, Ball, Unit CircleExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Unit Sphere." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/UnitSphere.html
Weisstein, Eric W. "Unit Sphere." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/UnitSphere.html