Lifetime of Stars
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1.Use this figure to find the main sequence lifetime of a 5 M star.
2. Use this figure to find the sunspot number at the highest sunspot maximum of the nineteenth century.
Please see attached for all figures.
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The following posting helps with astrophysics problems.
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1.)
From 5 on x-axis draw a line parallel to y axis, where this line meets the graph, ...
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