Astronomers can measure the speed of the stars in a binary system by measuring the ________ of the stars.
A) temperatures
B) luminosities
C) distances
D) sizes
E) spectra
Correct Answer:
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Q42: Which properties can be plotted on the
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Q44: On a typical H-R diagram, where are
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Q46: Binary star systems are extremely useful in
Q48: Roughly what percentage of stars in our
Q49: The figure below shows an H-R diagram,
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Q52: Main-sequence stars range in mass from approximately
A)
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