Multiple Choice
The core collapse phase at the end of the life of a massive star is triggered when
A) the helium flash and thermal pulses have expelled the star's envelope.
B) nuclear fusion has produced a significant amount of iron in its core.
C) the core becomes as dense as an atomic nucleus.
D) the density reaches a threshold at which electron degeneracy pressure begins to play a role.
Correct Answer:
Verified
Correct Answer:
Verified
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