Identify the phases in the life cycle of small and big stars.
supernova: in this stage
the star collapses and
produces elements heavier
than on
planetary nebula in this
stage, the s emits strong
energy pulses that push
away the outer layers
creating a cloud of ionized
gas around the core.
neutron star in this
stage, the star has
reduced to an extremely
dense core
white dwart: in this stage.
the star has reduced to a
dense core
average star
supergiant
or
ma
black hole