UO Must-KnowsUO Course Reviews University of OregonSearch CourseSearch CourseDepartmentsASTRDepartments LevelLevel CodeNameOverallEasinessInterestUsefulnessReviewssorted descendingASTR 121The Solar System >300000ASTR 123Galax & Expand Univers >300000ASTR 122Birth & Death of Stars >300000ASTR 321Top Astrophysics00000Sort bySort byASTR 121The Solar System >3Overall0Easiness0Usefulness0Reviews0ASTR 123Galax & Expand Univers >3Overall0Easiness0Usefulness0Reviews0ASTR 122Birth & Death of Stars >3Overall0Easiness0Usefulness0Reviews0ASTR 321Top AstrophysicsOverall0Easiness0Usefulness0Reviews0