Use the Hertzsprung-Russell Diagram (Figure 12-7) and the Mass-Luminosity Relation

question 208

Multiple Choice

Use the Hertzsprung-Russell diagram (Figure 12-7) and the mass-luminosity relation (Figure 12-15) in the text, to estimate the mass of Vega, an AO V main-sequence star with a surface temperature of about 10,000 K.

• A) between 1.5 and 5.0 solar masses
• B) about 10 solar masses
• C) less than 1.0 solar mass
• D) between 5.0 and 10.0 solar masses

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