-Refer to the H-R Diagram

question 35

Multiple Choice

-Refer to the H-R diagram.How would the H-R diagram of an older star cluster look different?

• A)The points would shift to the right, because all of the stars would have lower temperatures.
• B)The lower main sequence would look the same, but the turnoff would be at spectral type K or M.
• C)The points would shift down, because all of the stars would have lower luminosities.
• D)The lower main sequence would look the same, but the turnoff would be at spectral type F or A.

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