12:25duration 12 minutes 25 seconds
Unit 0 Exam Review
49:52duration 49 minutes 52 seconds
ASTR 1523 Lecture 11
50:10duration 50 minutes 10 seconds
ASTR 1523 Lecture 7
52:30duration 52 minutes 30 seconds
ASTR 1523 Lecture 6
49:35duration 49 minutes 35 seconds
ASTR 1523 Lecture 5