Its brilliant colors glow as they radiate around a central sphere.
In both cases the central sphere takes the position of the solid's center.
As they watched, the central sphere rose again.
The central sphere, called C Section, contained some forty levels from top to bottom.
There is a central sphere visible on one of the specimens.
Moving slowly and quietly, Pias made his way along the steel beams toward the central sphere.
By turning on the ultragrav within the central sphere, the battle station's computer had immobilized her as well.
Some initiator designs omitted the central sphere, being hollow instead.
At nighttime the central sphere is illuminated by an internal light source.
Two large "waves" of concrete embrace the central sphere.