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Title: Suppose that, when the stars in a particular open star cluster are plotted in a Hertzsprung-Russell ... Post by: doit_the_clown on Mar 19, 2017 Suppose that, when the stars in a particular open star cluster are plotted in a Hertzsprung-Russell diagram, the turnoff point is at an absolute magnitude of +3. What is the approximate age of this cluster? (See Figure 12-24, Comins and Kaufmann, Discovering the Universe, 7th Ed.)
A) 100 million years B) 500 million years C) 4 billion years D) 1 billion years Title: Re: Suppose that, when the stars in a particular open star cluster are plotted in a ... Post by: discoverer on Mar 19, 2017 Content hidden
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