Her last curve coincided almost exactly with the circle occupied by the ships.

Half-a-dozen spouts of greenish flame came from the nearest vessel, and for a moment the _Astronef_ was enveloped in a yellow mist.
"Evidently they don't know that we are air-tight, and they don't use shot or shell.

They've got past that.

Their projectiles kill by poison or suffocation.

I daresay a volley like that would kill a regiment.