A. High-mass b. Low-mass c. Moderately low-mass 6. Why doesnt a low-mass star ever evolve off of the main sequence?

A. High-mass b. Low-mass c. Moderately low-mass 6. Why doesnt a low-mass star ever evolve off of the main sequence? 7. Approximately how long will it take for a 0.5 solar-mass star to exhaust all of its hydrogen fuel and die? 8. Approximately how long does it take for a 1.0 solar-mass star to exhaust all of its hydrogen fuel and start evolving off of the main sequence?

 

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