What would happen in the Sun if the temperature of the core decreased?
A) The fusion rate decreases, then the core shrinks and heats.
B) The fusion rate decreases, then the core expands and heats.
C) The fusion rate increases, then the core expands and cools.
D) The fusion rate increases, then the core shrinks and heats.

Question

Quizplus · Accepted Answer

If the core temperature decreases, the fusion rate would decrease, leading to less outward pressure. This would cause the core to shrink under gravity, which would increase the temperature and pressure, eventually restoring the fusion rate.

What Would Happen in the Sun If the Temperature of the Core