The spherical balloon is attached to an enclosed gondola that carries up to 30 passengers.

There, they were inspired by the perfectly spherical balloons made by Édouard Surcouf of Société Astra, and they then modified their own design accordingly.

Echo I, a huge metallic spherical balloon, was launched into orbit.

Belkot had just drawn what looked uncomfortably like a giant coffin, suspended from a small, spherical balloon by a cord that was, in scale, perhaps sixty meters long.

The shower was enclosed by a spherical balloon of some clear material - obviously designed for zero-gee operation, Louise thought.

The British, despite their experience in late 1800s Africa, were behind developments, using spherical balloons.

At the reception ceremony, on April 19, 1909, Kosta Miletić flew a spherical balloon called "Serbia".

In the "balloon model" the flat sheet is replaced by a spherical balloon which is inflated from an initial size of zero (representing the big bang).

Abandoned were spherical balloons whose stripes made their infrared emissions fluctuate, rigid decoys that looked like warheads and balloons that inflated to conelike shapes.

The French Navy torpedo boat tender Foudre operates a spherical balloon experimentally during naval maneuvers in the Mediterranean sea.