Stars Quiz

What are stars made of?

• Metal and wood

• Dust and rocks

• Gas and dust

• Water and ice

What is the main sequence stage of a star commonly referred to as?

• Super stars

• Dwarf stars

• Giant stars

• Mega stars

How long does a star spend fusing hydrogen into helium?

• 50% of its lifetime

• 100% of its lifetime

• 70% of its lifetime

• 90% of its lifetime

What is the remnant left behind when a star exhausts all of its helium?

• Red dwarf

• White dwarf

• Black dwarf

• Yellow dwarf

What happens when a massive star collapses into itself?

• It becomes a black hole

• It becomes a red giant

• It becomes a white dwarf

• It becomes a neutron star

What is the name of the massive explosion that occurs when a massive star collapses?

• Meganova

• Ultranova

• Supernova

• Hypernova

What does a star become when it stops shining completely?

• Red dwarf

• White dwarf

• Yellow dwarf

• Black dwarf

How many stars are estimated to exist in the Milky Way galaxy?

• 200 to 400 million

• 600 to 800 million

• 400 to 600 million

• 100 to 200 million

What is the duration of a star's main sequence stage primarily dependent on?

• Its size

• Its distance from Earth

• Its age

• Its color

What is the core of a star called when it survives a supernova explosion?

• White dwarf

• Red giant

• Black hole

• Neutron star