Use the Hertzsprung-Russell Diagram (Figure 10-7)and the Mass-Luminosity Relation (Figure

Multiple Choice

Use the Hertzsprung-Russell diagram (Figure 10-7) and the mass-luminosity relation (Figure 10-14) in Comins,Discovering the Essential Universe,6th ed.,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 masse
D) between 5.0 and 10.0 solar masses