Content Quiz - Stellar Evolution

A star is held together by its own ________.

• gravity

• nuclear fusion

• gas pressure

• heavy elements

What color are the hottest stars?

• red

• yellow

• blue

• white

What color are the coolest stars?

• red

• yellow

• blue

• white

What does a star's life expectancy depend on?

• mass of the star

• elements in the star

• color of the star

Stars are powered by ______________ in their cores.

• gravity

• hydrostatic equilibrium

• nuclear fusion

• gas pressure

What do you call a developing star that has not yet started nuclear fusion?

• white dwarf

• black dwarf

• protostar

• neutron star

After the main sequence phase, what will a LOW mass star become?

• planetary nebula

• red giant

• red supergiant

• white dwarf

After the main sequence phase, what will a HIGH mass star become?

• planetary nebula

• red giant

• red supergiant

• white dwarf

What happens to a HIGH mass star after the red supergiant stage?

• supernova

• planetary nebula

• main sequence

• protostar

When a high mass star contracts and is crushed by the strength of its gravity, what is it called?

• neutron star

• black hole

• pulsar

• black dwarf