Sentences with phrase «exploding stars forge»

This is just the pattern expected if infalling gas sustains their star - forming careers, because this gas has little iron and therefore dilutes a galaxy's iron abundance; once the gas stops falling in, the iron abundance rises as exploding stars forge the element.

Not exact matches

All of the heaviest elements in the cosmos (like Earth's iron core) and half of the middleweight ones (like the oxygen and carbon essential to biology) were forged in the cauldrons of exploding stars.

Heavier elements — including nitrogen, oxygen, iron, carbon and more — were forged in the nuclear furnaces at the cores of those first stars, then spewed into interstellar space when the stars exploded.