What Happens to the Surface of a Low-Mass Star After

question 183

Multiple Choice

What happens to the surface of a low-mass star after the helium core and shell fusion stages are completed?

• A) The star stabilizes at the size of a red giant star, radiation pressure from below balancing gravity from the core, and slowly cools for the rest of its life.
• B) The star is spun off into space to make a spiral structure known as a spiral galaxy.
• C) The star is propelled slowly away from the core to form a planetary nebula.
• D) The star contracts back onto the core and becomes hot enough to undergo further hydrogen fusion, leading to a very hot and active white dwarf star.

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