100000
50000
B
Hertzsprung-Russell Diagram
F
G
K
M
10000
5000
1000
500
100
50
10
5
1
0.5
0.1
0.05
0.01
0.005
0.001
0.0005
0.0001
40,000
20,000
10,000 7,000 6,000
Approximate Temperature (C°)
4,500
3,000
Questions
1.
What is the general relationship between temperature and star brightness?