Starlight
1st - Copy these Starlight notes into your note book. Only do slides 1, 2, 4, 6, 8, 9, 10. Don't try to be an artist on the spectrum diagram .....
2nd - Do this Rags to Riches game on Starlight until you get perfect 2 times to perfect.
3rd - Do this practice on Big Bang Theory, Red Shift, Expanding Universe 2 times to perfect.