Jump to study questions from:

Chapter 1   | Chapter 3   | Chapter 4   | Chapter 17 part 1| Chapter 17 part 2 | Chapter 2   | Chapter 18 | Chapter 19 | Chapter 20 | Chapter 21 | Chapter 22 | Chapter 23 | Chapter 24 |Chapter 25| Chapter 26 | Chapter 27  

Study Questions Part 1        Study Questions Part 2        Study Questions Part 3      Study Questions Part 4

 

 

STUDY QUESTIONS PART 2

More Study Questions on Chapter 17

These questions approximately correlate with the material covered in  Week 5

  1. What is the HR diagram? Sketch an HR diagram, label the regions, and label the axes.
  2. What two equivalent quantities are plotted on the horizontal axis of the HR diagram? What two equivalent quantities are plotted on the vertical axis of the HR diagram?
  3. Explain how luminosity classification works. Know the luminosity classes.
  4. What is spectroscopic parallax? How does it work? What does it tell us?
  5. How do we determine the masses of stars?
  6. What is the mass-luminosity relation? For what type of stars does it apply?
  7. What is the mass-radius relation? For what type of stars does it apply?
  8. What is the mass-lifetime relation? For what type of stars does it apply?
  9. How is mass related to other stellar properties?
  10. Describe the different types of binary systems.

 Review and Discussion Chapter 17: 1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19

 

Study Questions Chapter 2

These questions approximately correlate with the material covered in Week 5 

  1. What are Kepler=s three laws of Planetary motion? Where are they valid?
  2. How did Netwon modify Kepler=s third law? Where is the modified form valid?
  3. What are the two forms of Kepler=s third law as modified by Newton? Be sure you know what units are appropriate and necessary for each.

Review and Discussion: Chapter 2: 9, 14, 15, 19, 20

 

Study Questions Chapter 18

 These questions approximately correlate with the material covered in Week 6 

  1. Why are reflection nebula blue? Why are emission nebula red?
  2. Name and describe the components of the interstellar medium.
  3. What characteristics of dust cause polarization of starlight?
  4. Compare and contrast the affects gas and dust have on starlight.
  5. How can we measure the distribution of neutral hydrogen?
  6. What does it mean to be polarized? What is the importance of being polarized?
  7. What are forbidden lines?
  8. What is 21cm radiation?
  9. Identify and explain the two effects that dust has on starlight.
  10. Compare and contrast reflection and dark nebula.
  11. How is dust arranged in space? How do we know that?

Review and Discussion: Chapter 18: all

Study Questions Chapter 19

These questions approximately correlate with the material covered in Week 7 

  1. Explain how the competition between gravity and heat is related to star formation.
  2. Explain how rotation and magnetism effect star formation.
  3. Describe the chain of events that lead to the formation of a star.
  4. Describe the observational evidence of star formation.
  5. How does star formation depend on the mass of the star formed?
  6. What is a failed star?
  7. What wavelength region do we use to observe evidence of contracting cloud fragments? What wavelength region do we use to observe protostars? 
  8. why do stars tend to form in groups?
  9. Describe bipolar flows and how they are related to star formation.
  10. What is the role of shock waves in stellar formation?
  11. How does the formation of massive stars effect subsequent stellar formation?
  12. Why is the HR diagram useful for studying stellar evolution?
  13. What is an evolutionary track?
  14. Compare and contrast the characteristics of open clusters and globular clusters.
  15. What information can we learn about a cluster from its HR diagram?
  16. What is main sequence fitting? What is the main sequence turnoff?

 

More questions on star formation (from the internet reading):

  1. What are "evaporating gasseous globules" (EGG's)?
  2. Explain how the column or finger-like structures seen in the HST images of M16 form.
  3. What is "photoevaporation"?
  4. What role does photoevaporation play in determining the mass of a forming star?
  5. Explain the features seen in this image of HH30 in terms of the theory of star formation.