My conclusion is that the being, whose legs are very strong, misjudged a jump in weightless conditions and hit its head against the wall.

Even to an astronaut who had spent much of his career in weightless conditions, the sight was very disturbing.

The effort to cling on here, in these weightless conditions, was minimal.

I don't see why we couldn't outfit a ship to operate under weightless conditions.

The lower cellular oxygen consumption in the weightless condition suddenly seemed very attractive.

Why must we have this weightless condition inflicted on us!

If they are not (such as in the weightless condition of space travel), rapid bone loss can occur.

He looked a bit unsteady, but no more so than the passengers, who were experiencing their second day in weightless conditions.

If we weren't in weightless conditions it would fall to pieces around us.

Fitting the pieces together again can be done most easily in weightless conditions.