"But our pumps can't operate in a near vacuum!"

And theatrically speaking, it exists in a near vacuum.

Much of the water would boil away in the near vacuum at the peak, thirty miles high.

Because the upper stages of a rocket operate in a near vacuum, fins are ineffective.

If it has no atmosphere, then it will be surrounded by space, which is a near vacuum.

The near vacuum in the other bulb allows free movement of the alcohol and mercury.

The two Prufraxes moved their lips weakly but made no sound in the near vacuum.

They work in cold and near vacuum.

Not massive enough to hold on to its atmosphere for long, its crust had been sucked dry by the near vacuum.

He was heading away from the near vacuum of the little planetoid, presumably to a place where there would be breathable air.