Life Cycle of Stars

The video reviews the life cycle of stars, explaining how they form from nebulae and evolve based on their mass. Small stars like the sun become red giants and eventually white dwarfs, while large stars become red supergiants and may explode in supernovae, forming neutron stars or black holes. The video highlights the role of gravity in these processes and the unique characteristics of each star type.

What is the primary element found in the initial cloud from which stars form?

• Oxygen

• Carbon

• Helium

• Hydrogen

What is the term used for the initial cloud of gas that forms stars?

• Red Giant

• White Dwarf

• Supernova

• Nebula

What does a small star like our sun become as it starts to die?

• Red Supergiant

• Black Hole

• Red Giant

• Neutron Star

What remains after a small star sheds its outer layers?

• Neutron Star

• Black Hole

• White Dwarf

• Red Supergiant

What is the final stage of a small star's life cycle?

• It becomes a neutron star

• It becomes a red supergiant

• It becomes a black hole

• It fades away to nothing

What is the massive explosion called that occurs in the life cycle of a large star?

• Nebula

• White Dwarf

• Supernova

• Red Giant

What is formed from the core of a large star after a supernova?

• Neutron Star

• White Dwarf

• Red Giant

• Black Hole

What is a neutron star known for emitting?

• Light waves

• Radio waves

• Gamma rays

• X-rays

What happens to the core of a very massive star after a supernova?

• It forms a black hole

• It becomes a red giant

• It turns into a nebula

• It becomes a white dwarf

Why is a black hole called 'black'?

• It is made of dark matter

• It absorbs all colors

• It emits no light

• It reflects light