For a massive star (e.g.,25 solar masses),core hydrogen fusion lasts for several million years.In contrast,core silicon fusion lasts for only about:

Name: For a massive star (e.g.,25 solar masses),core hydrogen fusion lasts for several million years.In contrast,core silicon fusion lasts for only about:
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Core silicon fusion in massive stars is extremely short-lived, lasting about 1 day, due to the rapid consumption of silicon and the high energy output required to maintain equilibrium.

For a Massive Star (E