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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
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)   the density reaches the threshold for electron degeneracy pressure to become important.
C)   nuclear fusion has produced a significant amount of iron in its core.
D)   the core becomes as dense as an atomic nucleus.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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7 years ago
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staedtler Author
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7 years ago
On behalf of my study group and I, thank you
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