The two forces battling it out for the stability of a star are gravitational forces and:

When the core of a Red Giant collapses it becomes a:

When a massive star begins to cool and expand it is known as a:

When the core of a Red Supergiant collapses, a bright event occurs, known as:

After a supernova, the core can collapse into a neutron star, or if massive enough it can become a:

When a Red Giant's outer atmosphere drifts away it is now known as:

One possible outcome that is left after a supernova is a super dense core called a:

A black hole is black because:

Our sun is currently in what star stage?

Main sequence stars are made primarily of which elements?

A star that has begun nuclear fusion will last for:

When a nebula condenses and takes on a shape it is called:

The stable and longest lasting period of a star’s life cycle is called:

What fuel do main sequence stars use?

Neutron stars that emit radiowaves are called: