Week 11

Read: The luminosity of variable stars (Chap. 20) and Galactic spectra (Chap. 21)
Quiz: Monday. Covers Galileo's Starry Messenger.

Homework exercises: Variability-Luminosity (Ex. 20.1), optional: Galaxy rotation (Ex. 21.1).

Laboratory exercises: You should be doing your Jupiter observations (Ex. 19.2) by week 14. Also, keep up with your, Planetary and lunar observations.

The luminosity of variable stars (2 introductory videos):





The luminosity of variable stars (no videos yet on Henrietta Leavitt…):


Galactic spectra (no videos yet on Vesto Slipher…):
Intro. to Astronomy