Stars Flashcards
1
Q
When do stars form?
A
Stars form when enough dust and gas clump together because of gravitational forces. Nuclear reactions release energy to keep the star hot.
2
Q
When do planets form?
A
Planets form when smaller amounts of dust and gas clump together because of gravitational forces.
3
Q
What is the life cycle of a start dependent on?
A
The size of the star.
4
Q
What happens to stars that are roughly the same size as our Sun?
A
Main sequence star → red giant → white dwarf → black dwarf
5
Q
What happens to stars that are much bigger than our Sun?
A
Main sequence star → red super giant → supernova → neutron star or black hole
