If the Sun's core suddenly shrank a little bit, what would happen in the Sun?

Question

Quizplus · Accepted Answer

If the Sun's core suddenly shrank, the increase in density and temperature would cause fusion rates to increase, which in turn would cause the core to re-expand to a stable size. This is because the increase in temperature and density would lead to more collisions between particles, which would in turn increase the likelihood of fusion reactions occurring.

If the Sun's Core Suddenly Shrank a Little Bit, What