(A) Calculate the Main Sequence lifetime of the Sun. (B) Devise a formula in solar units relating the Main Sequence lifetime to stellar mass, and use it to calculate the Main sequence lifetimes of (i) a 17-solar-mass star, and (ii) a 0.34-solar-mass star.
For more information on how to do this problem, and for tables of relevant data, see
www.canismajor.ca.
