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For an astronomer, what is the significance of the turnoff point in the Hertzsprung-Russell diagram ...

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For an astronomer, what is the significance of the turnoff point in the Hertzsprung-Russell diagram ...

For an astronomer, what is the significance of the turnoff point in the Hertzsprung-Russell diagram of a star cluster?
A)   It tells the astronomer the age of the star cluster.
B)   It tells the astronomer which stars might be about to explode as supernovae.
C)   It tells the astronomer which stars pulsate in brightness (variable stars).
D)   It tells the astronomer the metal content of the star cluster.

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Discovering the Universe

Edition: 7^th

Authors: Kaufmann, Comins

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symbo Author

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7 years ago

Thank you, thank you, thank you!

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