When the star explodes, the gas gets so hot and is compressed so violently by the blast that it undergoes fusion, what astronomers call explosive nucleosynthesis: literally, creating heavy elements explosively.

当恒星爆炸时，气体会变得很热，并被猛烈地压缩，从而发生聚变，天文学家称之为爆炸核聚变：确切地说，就是爆炸般地产生重元素。