Study Questions Week 2  Astronomy 104: Stellar Astronomy Fall 2002

1. What do we mean by the term Aspectrum@?
2. Explain what is meant by the term Ablackbody radiation@, and describe the laws that are associated with it.
3. What are the characteristics of continuous, emission and absorption spectra? Under what conditions are each formed?
4. What are Kirchoff's Law's?
5. What is the electromagnetic spectrum? What are the names given to different wavelength regions? How does wavelength, frequency, speed, and energy vary across the electromagnetic spectrum?
6. Explain the Doppler effect. What causes it? Why is it a useful tool for astronomy?
7. Explain how we can determine the temperature of an object by observing the radiation it emits.
8. Why are spectra useful to astronomy?

From the textbook:

Review and Discussion

Ch. 3: 2, 3, 10, 11, 12, 13, 14, 15, 16, 17, 18

Ch. 4: 3, 4, 5, 8, 10, 11

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