Question

from the diagram, how much more luminous than the sun is a star that is 3 tikes more massive than the sun?

Book by: OpenStax Back Next yivaiato ur mass, anu ure vertica po shows its luminosity in units of the Sun's luminosity. 1,000,000 10,000 100 1.0니 0.01 0 0 0.2 0.5 1.0 2.0 5.0 10.0 20.0 Mass (solar masses) er Figure 18.9 Mass- Luminosity Relation. The plotted points show the maeeoe and uminocitioc of etare The throa nointe Jvina bolow. SA 7) Luminosity (LSun

Answer 1

From the diagram

1,000,000 10,000 100 (3.0,100) 1.0 0.01 0+ O 0.2 5.0 10.0 20.0 0.5 1.0 2.0

The 3 times more massive star would have around 100 times more luminous surface.