What happens after the helium flash?
A)The star breaks apart in a violent explosion.
B)The core suddenly contracts.
C)The star starts to fuse helium in a shell outside the core.
D)The core quickly heats up and expands.
E)The core stops fusing helium.

Question

Quizplus · Accepted Answer

After the helium flash, the core of the star quickly heats up and expands. This is a phase in the evolution of low to intermediate-mass stars, where helium fusion begins explosively but then stabilizes, allowing the star to enter a more stable phase of helium burning in its core.

What Happens After the Helium Flash