More cards in this set

In a nuclear fission reactor, how are chain reactions controlled?

What is nuclear fusion?

How can nuclear fusion be brought about?

How is energy released in stars?

How long ago was the universe created?

How are stars formed?

What are galaxies?

Gravitational forces pull clouds of dust and gas together to form what?

What happens when the protostar gets denser?

Why are main sequence stars stable?