Weightlessness makes construction of large colonies considerably easier than in a gravity environment.

Second, the food must be engineered for consumption in a zero gravity environment.

Happy to be in a gravity environment again, he got up and headed to the airlock.

Spaceships of the future will permit passengers and crew to be in a gravity environment while they fly.

The spacecraft was able to maneuver around the Earth's neighborhood using little fuel by taking advantage of the unique gravity environment.

Their primary interest however was based on the fact that the system wouldn't be adversely affected by operating in a zero gravity environment.

Elverda, who had spent most of her long life in low gravity environments, felt completely at home.

A common conception about spacecraft orbiting the earth is that they are operating in a gravity free environment.

On Earth, the gas bubbles rise and burst, but in a zero gravity environment, that does not happen.

Once the new skin is hardened, the Pteropede can return to the demanding heavy gravity environment on land.