Even though the sun is made of ionized gas, it stays the same size because the inward force of gravity is the same strength as the outward pressure force caused by fusion. What would happen to the size of the sun if the outward force increased / got stronger?

Hydrostatic equilibrium

Question 2 options:

The sun would shrink


The sun would expand / grow


The sun would stay the same size


The sun would invade Chuck Norris's personal space and receive a roundhouse kick.