Stars 2. Flashcards
1
Q
What does the force of gravity do?
A
Pulls the dust and has together to form a protostar
2
Q
When does the temp rise?
A
As the star gets denser and more particles collide with each other
3
Q
What happens when the temp gets high enough?
A
Hydrogen nuclei undergo nuclear fusion to from helium nuclei
4
Q
What does this give out?
A
Huge amounts of energy, which keeps the core of the star hot
5
Q
What is born?
A
A star