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Title: What is the “turnoff” point for a star cluster? Post by: staedtler on Mar 19, 2017 What is the “turnoff” point for a star cluster?
A) The point in the Hertzsprung-Russell diagram occupied by stars undergoing (or about to undergo) the helium flash B) The point in the Hertzsprung-Russell diagram occupied by the highest-mass main-sequence stars in the cluster C) The point in the Hertzsprung-Russell diagram occupied by the lowest-mass main-sequence stars in the cluster D) The point in the Hertzsprung-Russell diagram occupied by the highest-mass stars that have not yet reached the main sequence Title: Re: What is the “turnoff” point for a star cluster? Post by: hyponotica on Mar 19, 2017 Content hidden
Title: Re: What is the “turnoff” point for a star cluster? Post by: staedtler on May 1, 2017 :raised_hands:
Correct :) |