For this writing assignment we will address some of the physics concepts from Chapter 4 that you will need to understand in later chapters. I would like to you to answer the following questions. When you submit your assignment number each question separately.
1. Describe Wien's and Stefan's radiation laws--explain each one and give examples from the textbook to illustrate how they work (Section 4-2)
2. Explain what the continuous emission spectrum, emission lines and absorption lines are (i.e. all of the Kirchoff's laws Section 4-4), what they are used for in astronomy (Section 4-3), and how they form (Section 4-6).
3. Explain what the Doppler effect is, what red and blue shift mean, and how it is used to study things in the universe (Section 4-7).
Each answer should be about a paragraph in length or longer. Make sure to answer the questions in your own words--I'm not looking for a word for word explanation from the book or the bullet points at the end of the chapter.
Each answer is worth up to 5 points. The characteristics of a 5 point answer are:
*The question is answered correctly (1-2 sentences)
*There is extensive is elaboration to support/illustrate the answer (3-4 sentences)
*The spelling and use of conventions (capitalization, punctuation) is correct. Proper grammar is used (sentences flow well when read aloud).
*The writing proceeds in a logical fashion--it is straight and to the point. There is no filler or unnecessary information
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