In Comparing a Young Red Giant Star with the Main-Sequence

question 268

Multiple Choice

In comparing a young red giant star with the main-sequence star from which it evolved,which statement is NOT true?

• A) The core of the main-sequence star is hotter.
• B) Hydrogen fusion occurs in the core of the main-sequence star and in a shell around the core in the red giant star.
• C) The red giant star has a larger diameter.
• D) The red giant star has the cooler surface temperature.