1-6

Homework (now due Monday): p. 246 # 1-34, skipping #s 2,3,6,21,22,24,25,28. I will work #31 in class; the answer is "1/4 of the way through its orbit"

Today's warm-up: Doppler Effect;
1. a sound source that's moving toward you has a _____ pitch (higher/lower?)
2. a light source moving toward you is ____shifted (red/blue?)
3. A wave from something moving toward you has a ______ wavelength (shorter/longer?)

Today in class - grade/discuss homework
Finish movie: Extreme planets
Light speed & light years notes: Distances in space

Tomorrow:
Star life cycle
Test review
Grade conferences with Freeman

Want to start studying for next Wednesday's exam?
Astronomy notes
TGT review game