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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
To calculate the masses of stars in a binary system, we must measure their ________.
A) orbital period and average orbital distance
B) spectral types and distance from Earth
C) absolute magnitudes and luminosities
D) luminosities and distance from Earth
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Smiling Face with Open Mouth
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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
Smiling Face with Open Mouth
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