The thing wasn't floating like most spherical objects would have.
The large, nearly spherical hollow object would be the sun.
Within it, close to the cell wall, two dark spherical objects were clearly visible.
Instead of balls, other spherical objects can be used, such as balloons.
These spherical objects do not order themselves in solution, however.
At the time, the gyroscopes were the most nearly spherical objects ever made.
There he lifted a spherical object from a box.
It was a large spherical object with a glass appearance.
It was a small spherical object, about the size of a golf ball, covered in dust.
A tether is not a spherical object, and has significant extent.