Red Giants Quiz: Trivia Questions and Answers
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The red giant is a type of luminous star in its late phase of the stellar revolution. What else do you know about this type of space objects?
Red Giants Quiz contains ten multiple choice trivia questions with answers. Test your general knowledge of this topic!
Right answers
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1. Why does a red giant star look red?
It is much cooler than other stars
2. What is the first stage of a main sequence star turning into a red giant?
Hydrogen fuel depletes
3. When were red giants first identified?
20th century
4. How many distinct types of cool stars are there?
2
5. How many branches exist in stellar evolution?
3
6. What is the red-giant branch?
A stage that follows the main sequence for low- to intermediate-mass stars
7. What is the horizontal branch?
A stage of stellar evolution that immediately follows the red giant branch in stars whose masses are similar to the Sun
8. What is the asymptotic giant branch (AGB)?
A region of the Hertzsprung–Russell diagram populated by evolved cool luminous stars
9. The AGB phase is divided into how many stages?
2
10. Which type of stars does not exist?
Green dwarfs