The faeros and hydrogues were causing damage deep in the stellar core, churning the nuclear fires.

Funnels of darkness reached from the sun-spots down toward the stellar core.

Once the stellar core is dense enough, some of the hydrogen is changed into helium through nuclear fusion.

"Expect to see waves of interference with increasing frequency as the stellar core collapses by steps."

At the temperatures and densities in stellar cores the rates of fusion reactions are notoriously slow.

It is condensed and may be observed with small telescopes, but larger apertures are required to resolve its stellar core.

The forces were immense, and the structure was pounded with a degree of pressure greater than that of a healthy stellar core.

Heavy elements are formed in stellar cores, you know, and spewed back into space.

Actual stellar cores and their nuclear furnaces might be affected.

Several were natural; col-lapsing stellar cores, for example.