 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
What happens when the hydrogen runs out?
|
|
|
|
|
Star once again tries to contract and heat up
inside
|
|
|
What might stop this?
|
|
|
|
|
Unusual
fusion energy sources giant stars
|
|
|
|
|
Hydrogen
shell fusion
|
|
|
|
|
Heavy
element fusion
|
|
|
|
|
Degenerate electron pressure white dwarfs
|
|
|
|
|
Loss of material from the star
|
|