10
6
10
5
10
4
10
3
10
2
10
1
10
0
10
-1
10
-2
10
-3
10
-4
40000
20000
10000
5000
2300
.001
.01
.1
1
10
100
1000
Sun
M
a
i
n
S
e
q
u
e
n
c
e
Luminosity
X.X
(L
)
Radius
X.X
(R
)
Temperature
X.X
(K)
Background info and whatnot and so forth
Exercises, questions, problems, whatever