ASTR 596: Seminar in Special Topics ASTR University of Illinois at Urbana-Champaign 0.0 credits Course Description Approved for both letter and S/U grading. May be repeated. Prerequisite: Consent of instructor. Reviews Sign in to Review Login to Review Most Recent Most Helpful Highest Rated Lowest Rated No reviews yet. Be the first to share your experience! Sign in with Google Login to Review