Estrellas y galaxias: los ciclos de vida de las estrellas

What is the initial stage in the formation of a star?

• A black hole

• A supernova

• A white dwarf

• A nebula

What is the term for the first phase of a star's life?

• Neutron star

• Protostar

• White dwarf

• Supernova

How long can stars live, depending on their mass?

• From a few million to 200 million years

• From a few thousand to 200 thousand years

• From a few billion to 200 billion years

• From a few hundred to 200 hundred years

What happens to a star when it runs out of fuel?

• It can become a white dwarf, neutron star, or black hole

• It turns into a comet

• It disappears completely

• It becomes a planet

What is a supernova?

• A small star that has cooled down

• A giant or supergiant star that has exploded

• A new star being formed

• A black hole absorbing light