Period 1/2 Class and LAB:
-PPT on Earth-Moon-Sun system (stop at seasons)
-Watch Cosmos Episode 5: Hunting for Ghosts and take notes
HW:
-read pages 758-767 and do 31-6 for Wed, 4/22
-w/s (purple and blue)
Period 4 Class:
-same PPT as per 2
Period 8 Class:
-RFI (Galileo) and questions