Week 3 Lecture 6
Solutions at the bottom.

1)  In-video quiz at timepoint 05:23.

Rigel is a blue star in Orion with a temperature of about 11,000 Kelvin.  Roughly how much flux does Rigel emit compared to the Sun?  Choose the closest answer below. 

a) FRigel = 2 FSun
b) FRigel = 13 FSun
c) FRigel = 16 FSun
d) FRigel = FSun / 2

Solutions:

1) The correct answer is b) FRigel = 13 FSun