He turned up his little nuclear furnace and gave Kon-Tiki another three miles of altitude, so that he could get a better view.

The black ship with its single morose occupant had plunged on schedule into the nuclear furnace of the sun.

The nuclear furnace in the core of the star blasts out so much radiation that it threatens to blow away the star's outer layers.

He stops swimming, and sinks back into the nuclear furnace.

I've seen the same in glacier crevasses and once a nuclear furnace.

Actual stellar cores and their nuclear furnaces might be affected.

Seven gees, and the cloud's surface was kindling to the intensity of a nuclear furnace.

Then, for the first time, it began to glow, brushed into brilliance by the gathering heat of the sun's nuclear furnace.

The hot stars radiate energy as this hydrogen is converted to helium in their nuclear furnaces.

It'll be slow going this close to so mighty a nuclear furnace.