deletions | additions       diff --git a/motivation.tex b/motivation.tex  index b9267ef..efce9e0 100644  --- a/motivation.tex  +++ b/motivation.tex 
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precious one-on-one thesis-advising time teaching skills that  students could have learned as part of their coursework.  \end{quote}  Our revisions to AST 208, 208 (\emph{Planets and Telescopes}),  AST 304, 304 (\emph{Stars}),  and AST 308 (\emph{Galaxies})  remedy this deficiency by pacing student progress towards modern learning goals so that students emerge with a deeper knowledge base and readily applicable skills.