An Iron Core Cannot Support a Massive Main-Sequence Star Because

question 83

Multiple Choice

An iron core cannot support a massive main-sequence star because:

• A) iron has low nuclear binding energy
• B) iron is not present in stellar interiors
• C) iron supplies too much pressure
• D) iron fusion only occurs in a degenerate core
• E) iron cannot fuse to make heavier nuclei and produce energy

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