Life Cycle of Stars Quiz

What are the stages in the life cycle of star much larger than the Sun?

• nebula → protostar → main sequence → red giant → supernova → neutron star or black hole

• nebula → protostar → main sequence → red giant → white dwarf → black dwarf

• nebula → protostar → main sequence → red supergiant → supernova → neutron star or black hole

• protostar → nebula → main sequence → red supergiant → neutron star or black hole → supernova

In what stage of its life cycle is the Sun?

• Red giant

• Main sequence

• White dwarf

• Protostar

Where do all naturally occurring elements heavier than iron come from in the universe?

• Supernovae

• The core of stars

• Black holes

• Quasars

What is the ultimate fate of the Sun?

• White dwarf

• Black dwarf

• Brown dwarf

• Black hole

In which stage of the Sun’s life cycle does fusion take place?

• Nebula

• Protostar

• Red giant

• White dwarf

Which stage of the stellar life cycle has never been seen?

• Neutron star

• Red supergiant

• Black hole

• Black dwarf

What process is happening in the core of main sequence stars?

• Nuclear Fusion

• Nuclear Fission

• Chemical reactions

• Photosynthesis

Who said, “We are a way for the universe to know itself”?

• Brian Cox

• Neil deGrasse Tyson

• Carl Sagan

• Stephen Hawking

What force balances gravity in a star?

• Friction

• Radiation pressure

• Upthrust

• Normal contact

What determines whether a star will eventually form a black hole or a neutron star?

• Its mass

• Its temperature

• Its colour

• Its age