19:54 duration 19 minutes 54 seconds
2.1 Pre-Class Lecture
01:19:02 duration 1 hour 19 minutes
ALM lecture on March 9th, 2021
50:28 duration 50 minutes 28 seconds
ASTR 1523 Lecture 9
50:10 duration 50 minutes 10 seconds
ASTR 1523 Lecture 7
52:30 duration 52 minutes 30 seconds
ASTR 1523 Lecture 6
49:35 duration 49 minutes 35 seconds
ASTR 1523 Lecture 5