Astronomy Review Stars Life Cycle

Stars can take different paths in their life cycle due to having different _____________

• temperature

• mass

• brightness

• color

All stars start as gas and dust in a(n)

• nebula
• black hole
• red giant
• black dwarf

After the main sequence, a low mass star becomes a

• black dwarf

• protostar

• red giant

• supergiant

After the main sequence, a high mass star becomes a

• black dwarf

• protostar

• red giant

• supergiant

The final stage of a low mass star is a

• neutron star

• nebula

• black hole

• black dwarf

After a supergiant, a high mass star explodes and forms a

• supernova

• red giant

• black hole

• planetary nebula

A high mass star can end as this stage, which is so dense that not even light can escape!

• black dwarf

• white dwarf

• supernova

• black hole

What stage fills in the blank? Nebula --> Main sequence --> red giant --> planetary nebula --> ______________ --> black dwarf

• supergiant

• white dwarf

• black hole

• supernova

When a nebula heats up, a "baby" star forms in the middle. It is called a

• supernova

• supergiant

• white dwarf

• protostar

Which of the following is NOT a final stage of a star.

• black hole

• black dwarf

• neutron star

• planet