Sentences with phrase «massive rocket nozzle»

Not exact matches

In principle, however, one could do it by surrounding the expanding gas cloud with a massless elastic membrane, or an elastic membrane accelerated to match velocities when the gas reaches it, or by an array of rocket nozzles pointed into the flow to catch the gas, or by surrounding it with a massive perforated sphere with a gravitational escape velocity higher than the gas velocity, or by running it into a medium of suitably graduated density, etc...