Today's ppt
Star Composition and HR Diagram Placement (ISN pg 132-133)- with a partner go to the website and follow the procedure to compare the spectra of unknown stars to spectra of known substances to determine the chemical composition and where the placement of the HR Diagram on ISN pg 130. Turn in Thursday, 2/28.
HOMEWORK: Study what was learned so far, there are many zeros in the gradebook, please complete your work
Test on Stars-Monday, March 4
DIA on Sun and other Stars-Monday, March 11-ALL WORK DUE!