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{\bf Introduction to Astrophysics I, 29:119\\
     Fall, 2008\\
Ninth  Homework Set...November 30, 2008.\\ Due December 4, 2008}\\
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Show calculations and give reasons for your answers. Don't go around 
confused and despondent; if you do not know how to get started, ask me for help.\\


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{\bf (1)} Problem 10.4 from textbook \\

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{\bf (2)} Problem 10.5 from textbook \\

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{\bf (3)} Problem 10.6 from textbook  \\ 

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{\bf (4)} Problem 10.8 from textbook \\

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{\bf (5)} Problem 10.9 from textbook\\

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{\bf (6)}  Problem 10.10 from textbook\\

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{\bf (7)}  Problem 10.11 from textbook\\

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{\bf (8)}  Problem 10.12 from textbook\\



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