Chapter 12 23. A white dwarf is located in the lower left of the H-R diagram. Fr

Question

Chapter 12

23. A white dwarf is located in the lower left of the H-R diagram. From this information alone, you can determine that

a. it is very massive.

b. it is very dense.

c. it is very hot.

d. it is very bright.

24. A red giant is located in the upper right of the H-R diagram. From this information alone, you can determine that

a. it is very massive.

b. it is very dense.

c. it is very hot.

d. it is very luminous.

25. The evolution of a star is primarily determined by its

a. mass.

b. composition.

c. neighbors or lack of them.

d. density.

Chapter 13

20. When photodisintegration starts in a star, a process begins that always results in a

a. supernova.

b. neutron star.

c. black hole.

d. pulsar.

Explanation / Answer

23. (c) It is very hot.

24. (d) It is very luminous.

25. (a) Mass.

26. (a) Supernova.

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.