Quiz on Stars and Nebulae

What determines the life cycle of a star?

• Its color

• Its mass

• Its distance from Earth

• Its temperature

Where do stars form?

• In the ocean

• In the mountains

• In vast clouds of gas and dust known as nebulae

• In the desert

What happens when a part of a nebula collapses under its own gravity?

• It cools down and forms a solid core

• It heats up and forms a dense core

• It disappears

• It turns into a planet

What is the final stage of a low-mass star?

• Red giant

• Black hole

• White dwarf

• Neutron star

Which type of star has a lifespan of around 10 billion years?

• Low-mass stars

• Medium-mass stars

• High-mass stars

• Supermassive stars

What do high-mass stars leave behind when they run out of fuel?

• White dwarf

• Red giant

• Neutron star or black hole

• Planet

What is the most important factor in determining a star's life cycle?

• Its temperature

• Its mass

• Its color

• Its distance from Earth

What happens to low-mass stars when they run out of fuel?

• They explode in supernovas

• They become black holes

• They end up as white dwarfs

• They turn into red giants

What is the final stage of a medium-mass star?

• Neutron star

• Black hole

• White dwarf

• Red giant

What do high-mass stars become after they explode in supernovas?

• White dwarfs

• Red giants

• Neutron stars or black holes

• Medium-mass stars