Which of the following fusion reactions does NOT occur during a massive star's lifetime?
A) oxygen fusing into iron
B) oxygen fusing into silicon
C) carbon fusing into neon
D) the triple alpha reaction

Question

Quizplus · Accepted Answer

Oxygen fusing into iron does not occur during a massive star's lifetime because it requires more energy than the star can produce, leading to the collapse of the core and ultimately a supernova explosion. The other three fusion reactions listed do occur during a massive star's lifetime.

Which of the Following Fusion Reactions Does NOT Occur During