The outflyers approached the small alien sphere, but the hydrogue vessel did not respond.

Then, when the diamond-hulled alien sphere dropped toward the city, the people reacted with sudden terror.

Minute by minute, the relentless alien spheres closed the distance.

The tangle of roots drove in, growing, thrashing, filling the alien sphere.

The massive alien sphere was larger than a dozen Voyagers now, and still growing.

Controller had traveled with the alien sphere, but his vacuum sack remained behind.

At great expense, the Navy brings a mysterious alien sphere to the surface.

He passed another lonely figure, a little later, headed for the alien sphere with a vision plate to set up.

His mind's eye moves beyond the alien sphere and approaches the planet's surface.

It is an awesome sensation to be suddenly hurled from one's native world into a new strange alien sphere.