Star Birth
What is more dense? A nebula or a star
A star
What happens when a star runs out of fuel?
The star dies and either becomes a supernova if it is a supergiant star, or a planetary nebula if it is a giant star.
What are two examples of what can happen after a supernova.
1-Black Hole 2-Neutron star
How big are white and black dwarfs?
They are both about the same size, and they both are about the size of Earth.
What is nebula?
A place where chemical reactions happen and stars are created.
What can escape a black hole?
Nothing can escape a black hole.
What causes a supernova?
A supernova is caused when a supergiant star runs out of fuel and explodes.
What is a planetary nebula?
A ring-shaped nebula formed by an expanding shell of gas around a old star.
What chemical is made when hydrogen and atoms combine?
The chemical that is created is helium.
What does a star's mass have to do with its lifespan?
A star with less mass lives longer than a star with more mass.
What is a black hole?
A dead super giant that has a huge amount of gravity and eats anything in its path.
What is a white dwarf?
A dead Red giant that lost its fuel but still looks illuminated to our point of view.