a sphere is like a ball or the top of a cup sometimes
A diameter is a cord in a circle containing the center of the circle. But some circles are sections of spheres. Not all diameters are diameters of spheres.
Some live in bio-spheres or at there house some are now living in space too.
Spheres
Congruent spheres
Spheres of Justice was created in 1983.
Remixes of the Spheres was created in 2001.
The Crystal Spheres was created in 1984.
Stratosphere, mesosphere, and thermosphere . :)
Spheres of Chaos was created in 2000.
Spheres of Chaos happened in 2000.
Galatea of the Spheres was created in 1952.
Heavenly Spheres was created in 1998.