Describe the Hertzsprung-Russel diagram. Where on an H-R diagram does a star spend most of its life?© BrainMass Inc. brainmass.com March 21, 2019, 5:57 pm ad1c9bdddf
The manner of your question is such that I cannot answer it without a couple provisos. That is, exactly where a star is, and where it goes (and even how fast it gets there) on the H-R diagram depends on the mass of the star. I will assume you are referring to an "average" star (not unlike our own) and also will mention a few items about ...
The solution addresses the life cycle of stars, particularly "average" stars and their position on the H-R diagram. Includes detail on the H-R diagram itself.