Stars are formed from big clouds of gas and dust is known as:
The only force acting on the nebulae is:
A star is born when:
The two forces battling it out for the stability of a star are gravitational forces and:
Once star has ignited and has used up all of the hydrogen are called:
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 is a celestial body that is composed of gas and emits light from nuclear fusion reactions?