Maybe a plasma jet held together by its own magnetic fields.

The plasma jet, still in its research stage, was designed as a propulsion system for long space voyages.

I made it possible for *him* to spray a plasma jet from the sun across five percent of the Ringworld.

In any case, radiation from the plasma jet would ruin the ecology.

We have to be able to guide the plasma jets, the solar flares.

Daniel watched the cutter lift on its single plasma jet.

Without the plasma jet, the meteor itself might have been sufficient.

We've got four people trapped under debris behind the plasma jet.

"Captain, to get us that close, we would have to enter into the plasma jet ourselves."

When imaged in radio waves, however, plasma jets over one million light years long appear.