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Home Q & A Board Science-Related Homework Help Physics
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killian killian
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10 years ago
If a star has a mass of 10 solar masses and a luminosity of 10,000 solar luminosities, how long is its lifetime? (The Sun's lifetime is 10 billion years.)
A) 10 million years
B) 1 million years
C) 100 trillion years
D) 100 billion years
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padrepadre
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10 years ago
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killian Author
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#2
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10 years ago
Thanks sir
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