Star Life Cycle and Absolute Magnitude

What is a cloud of gas and dust called?

• nebula
• protostar
• black hole
• neutron star

What is a nebula

• a cloud of gas and dust
• a newly formed star
• a dead star
• a trick of the light

What is a main sequence star

• A star in the long stable part of its life
• A dead star

What part of its life is the sun in?

• Main sequence
• Red Giant
• White Dwarf
• Red Dwarf
• Protostar

What will happen to the sun eventually?

• Become a red giant and then a white dwarf
• Become a white dwarf then a red giant
• Become a white giant then a red dwarf
• Become a red dwarf then a white giant

Why does a red giant become a white dwarf

• It cools down
• It loses its outer atmosphere

What decides whether a star will become a black hole?

• Mass
• Radius
• Colour
• Temperature
• Brightness

What happens to stars much heavier than the sun?

• They become Red Supergiants
• They become Red Megagiants
• They become Red Giants
• They become Red Gigagiants

What is the final fate of the heaviest stars

• White dwarf
• Black dwarf
• Neutron star
• Black hole
• Protostar

What's special about a black hole

• It's very dense
• it emits light
• it's actually purple
• it is huge