The Following Questions Refer to the Sketch Below of an H-R

question 10

Multiple Choice

The following questions refer to the sketch below of an H-R diagram for a star cluster.

-Consider the star to which the arrow points.How is it currently generating energy?

• A)by gravitational contraction
• B)by hydrogen shell burning around an inert helium core
• C)by core hydrogen fusion
• D)by core helium fusion combined with hydrogen shell burning
• E)by both hydrogen and helium shell burning around an inert carbon core

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