How does the duration of the final silicon-burning phase compare to the star's main-sequence life?

Answer

It lasts a matter of days

While a star spends billions of years fusing hydrogen during its main sequence life, the final silicon-burning phase that produces iron might only last a matter of days.

How does the duration of the final silicon-burning phase compare to the star's main-sequence life?

#Videos

How Stars Die - YouTube

physicsevolutionElementCorestar