Universe Quiz

What happens to a giant star when it runs out of ‘fuel’?
1. It becomes a planet.
2. It is bigger than the sun.
3. It collapses.
Then the star core absorbs all the materials of the outer layers and when they hit the core
1. it explodes and releases a lot of light and energy.
2. it crashes with other stars.
3. it gets very cold.
During this process the giant star becomes a
1. planet.
2. supernova.
3. dwarf star.
What is left behind after the explosion of a supernova?
1. A pulsar or a black hole.
2. A nova star.
3. A neutron star
A pulsar is
1. a rotating supernova giving off regular bursts of energy.
2. a rotating dwarf star giving off regular bursts of energy.
3. a rotating neutron star giving off regular bursts of energy.
A black hole is
1. a very small object so dense that its light and radiation can’t escape its own gravity.
2. a very big black star.
3. a very small black star.