Chapter 10 17. Most stars are a. cool and low-luminosity. b. hot and low-luminos

ID: 233759 • Letter: C

Question

Chapter 10

17. Most stars are

a. cool and low-luminosity.

b. hot and low-luminosity.

c. cool and high-luminosity.

d. hot and high-luminosity.

23. If a star is found directly above the Sun on the H-R diagram, what can you conclude about its size?

a. It is larger than the Sun.

b. It is smaller than the Sun.

c. It is exactly the same size as the Sun.

d. You would need to know if it was on the main sequence to answer this question.

24. If a star is found directly above the Sun on the H-R diagram, what can you conclude about its luminosity?

a. It is more luminous than the Sun.

b. It is less luminous than the Sun.

c. It is exactly the same luminosity as the Sun.

d. You would need to know if it was on the main sequence to answer this question.

25. If a star has the same temperature as the Sun, what can you conclude about its mass?

a. It is larger than the Sun.

b. It is smaller than the Sun.

c. It is the same size as the Sun.

d. You would need to know if it was on the main sequence to answer this question.

17) a. cool and low-luminosity.

23) a. It is larger than the Sun.

24) a. It is more luminous than the Sun.

25) d. You would need to know if it was on the main sequence to answer this question.

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