He lifted a glass-bead necklace but received no images from those small smooth spheres.

The central mass of the nebula, which could not be seen, but only photographed by infra-red light, was a smooth sphere.

An artist's impression of a spinning black hole with the event horizon as a smooth sphere.

A 3-manifold is irreducible if any smooth sphere bounds a ball.

He fumbled around in the dusty space and found a couple of smooth spheres.

The situation is actually even more complicated because earth is not a homomogenous smooth sphere.

And it's cut like a smooth sphere - a sort of diamond eye.

She stuck her hand in her holdall and felt for the smooth, hard sphere.

He no longer held a smooth shining sphere in his fingers.

He first touched something that felt like a smooth sphere about the size of the palm of his hand.