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Home Q & A Board Science-Related Homework Help Physics
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doit_the_clown doit_the_clown
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7 years ago
The age of a cluster can be determined by
A)   carrying out a number count of the stars in the cluster.
B)   measuring its speed of motion relative to the Sun.
C)   determining the turnoff point on the main sequence of its Hertzsprung-Russell diagram.
D)   observing its position in the sky with respect to the Sun.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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7 years ago
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doit_the_clown Author
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7 years ago
Brilliant ツ
jayfo05
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Yesterday
Good timing, thanks!
taydav
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2 hours ago
Thanks
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