What Is the Most Reliable Way to Measure the Mass

question 48

Multiple Choice

What is the most reliable way to measure the mass of a star for which the distance is known?

• A)Apply the mass-luminosity 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)Apply the mass-temperature relation.

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