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\begin{abstract}  In response to an assessment of the learning outcomes for the undergraduate astrophysics program at Michigan State University, we have begun revising our undergraduate astronomy courses. This white paper describes changes made to AST~208, a sophomore-level course on planets and telescopes  for astrophysics majors at Michigan State University. The goals of this paper are to document our changes for future editions of the course, to highlight some of the innovative course development being done by the astronomy group, and to stimulate similar activities in other physics and astronomy courses, both at Michigan State University and elsewhere. \end{abstract}