At approximately what temperature can helium fusion occur?
A)100,000 K
B)100 billion K
C)1 million K
D)100 million K
E)10 million K

Question

Quizplus · Accepted Answer

Helium fusion requires a very high temperature of at least 100 million K in order for the helium nuclei to overcome their electromagnetic repulsion and fuse together. This is what happens in the core of a star during the later stages of its life cycle.

At Approximately What Temperature Can Helium Fusion Occur