Multiple Choice
What is the most reliable way to measure the mass of a star for which the distance is unknown?
A) Apply the mass-temperature relation.
B) Measure its orbit around another star.
C) Measure its radius, then compute its volume and multiply by density to get the mass.
D) Compute its spectroscopic parallax, then apply the mass-luminosity relation.
Correct Answer:
Verified
Correct Answer:
Verified
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